Extensive Dissection Research Articles

Risks and benefits of percutaneous coronary intervention in spontaneous coronary artery dissection

ObjectiveTo investigate percutaneous coronary intervention (PCI) practice in an international cohort of patients with spontaneous coronary artery dissection (SCAD). To explore factors associated with complications and study angiographic and longer...

Unique characteristics of the type B aortic dissection patients with malperfusion in the Vascular Quality Initiative

ObjectiveType B aortic dissection (TBAD) complicated by malperfusion carries high morbidity and mortality. The present study was undertaken to compare the characteristics of malperfusion and uncomplicated cohorts and to evaluate the long-term differences in survival using a granular, national registry. MethodsPatients with TBAD entered into the thoracic endovascular aortic repair/complex endovascular aortic repair module of the Vascular Quality Initiative from 2010 to 2019 were included. The demographic, radiographic, operative, postoperative, in-hospital, and long-term reintervention data were compared between the malperfusion and uncomplicated TBAD groups using t tests and χ2 analysis, as appropriate. Overall survival was compared using Cox regression to generate survival curves. ResultsOf the 2820 included patients, 2267 had uncomplicated TBAD and 553 had malperfusion. The patients with malperfusion were younger (age, 55.8 vs 61.2 years; P < .001), were more often male (79.7% vs 68.1%; P < .001), had a higher preoperative creatinine (1.8 vs 1.1 mg/dL; P < .001), had more often presented with an American Society of Anesthesiologists class of 4 or 5 (81.9% vs 58.4%; P < .001), and had more often presented with urgent status (77.4% vs 32.8%; P < .001). In contrast, the uncomplicated TBAD group had had more medical comorbidities, including coronary artery disease and chronic obstructive pulmonary disease, and a larger aortic diameter (4.0 cm vs 4.9 cm; P < .001). The malperfusion group more frequently had proximal zones of disease in zones 0 to 2 (38.6% vs 31.5%; P = .002) and distal zones of disease in zones 9 and above (78.7% vs 46.2%; P < .001), with a greater number of aortic zones traversed (7.7 vs 5.1; P < .001) and a greater frequency of dissection extension into branch vessels (61.8% vs 23.1%; P < .001). Patients with malperfusion also exhibited greater case complexity, with a greater need for branch vessel stenting and longer procedure times. The overall incidence of postoperative complications was greater in the malperfusion group (39.4% vs 17.1%; P < .001) and included a greater rate of spinal cord ischemia (6.3% vs 2.2%; P < .001), acute kidney injury (10.4% vs 0.9%; P < .001), and in-hospital mortality (11.6% vs 5.6%; P < .001). In-hospital reintervention was also greater for the malperfusion patients (14.5% vs 7.4%; P < .001), although the incidence of long-term reinterventions was similar between the two groups (8.7% vs 9.7%; P = .548). A proximal zone of disease in zone 0 to 2 was associated with decreased survival. In contrast, a distal zone of disease in 9 and above, in-hospital reintervention, and long-term follow-up were associated with increased survival. Despite these differences, long-term survival did not differ between the malperfusion and uncomplicated groups (P = .320.) ConclusionsPatients presenting with TBAD and malperfusion represent a unique cohort. Despite the greater need for branch vessel stenting and in-hospital reintervention, they had similar long-term reintervention rates and survival compared with those with uncomplicated TBAD. These data lend insight with regard to the observed differences between uncomplicated and malperfusion TBAD.

Epiaortic Ultrasound-Guided True Lumen Cannulation of Ascending Aorta in Acute Aortic Dissection Type A

Background: The choice of arterial inflow for acute Stanford type A aortic dissection repair remains controversial. The axillary artery should be considered as first choice for cannulation, but this technique is time-consuming. The ascending aortic cannulation provides antegrade perfusion and can be performed rapidly but there are several concerns such as aortic rupture, extension of dissection, and false lumen cannulation. Objective: To compare the establishment time of cardiopulmonary bypass (CPB) and postoperative outcomes of the two cannulation techniques that provide antegrade perfusion, which was direct true lumen cannulation on the dissected ascending aorta using epiaortic ultrasound-guided and axillary artery cannulation in Siriraj Hospital. Materials and Methods: The authors retrospectively reviewed all the 30 cases of acute aortic dissection type A using two different cannulation methods performed between February 2011 and May 2017. Direct true lumen ascending aortic cannulation was performed using the epiaortic ultrasound-guide with Seldinger technique in 12 patients, and axillary artery cannulation was performed in 18 patients. Results: The direct true lumen ascending aortic cannulation was safely performed in all patients. None of them had aortic rupture. Skin incision to CPB time was significantly faster in the epiaortic ultrasound-guided ascending aortic cannulation group at 29±8 versus 49±14 minutes (p&lt;0.001). The 30-day mortality and postoperative adverse events, such as ischemic stroke, acute kidney injury, visceral organ and limb malperfusion showed no statistically significant difference from the axillary artery cannulation method. Conclusion: Epiaortic ultrasound-guided true lumen cannulation of ascending aorta in the treatment of acute aortic dissection type A is safe and feasible. Skin incision to CPB time can be performed faster and provided good outcome compared to the axillary artery cannulation technique. Keywords: Acute aortic dissection, Ascending cannulation, Epiaortic ultrasound

A multicenter retrospective study of the esophageal triamcinolone acetonide-filling method in patients with extensive esophageal endoscopic submucosal dissection

Objective Endoscopic submucosal dissection (ESD) for extensive esophageal cancer is sometimes associated with post-ESD stenosis, despite preventative steroid therapy. In this retrospective multicenter analysis, we evaluated the factors associated with therapy resistance. Materials and Methods We enrolled 73 patients with 75 extensive esophageal cancers treated with ESD. Stenosis prevention was performed using two esophageal triamcinolone acetonide (TA)-fillings, and repeated if stenosis was found on follow-up. Therapy-resistance factors associated with incidence of severe stenosis requiring endoscopic balloon dilation (EBD) were evaluated, including age, gender, previous treatment history, tumor location, morphology, resection size, histologic type, invasion depth, and horizontal resection grade (HR-grade 1, ≥ 9/12 and <10/12 of the circumference; grade 2, ≥ 10/12 and <11/12; grade 3, ≥ 11/12 but not circumferential; and grade 4, entirely circumferential). Results Severe stenosis occurred in 17.3%(13/75) of cases, with a median of two EBDs (range, 1–6 times). Severe stenosis was significantly associated with HR-grade elevation and previous treatment history (p < .05); multivariate analysis showed both as independent therapy-resistance factors (p < .05). Patients without previous treatment history demonstrated severe stenosis at 12.9%(9/70): 0%(0/26) HR-grade 1, 18.8%(3/16) grade 2, 17.6%(3/17) grade 3, and 27.3%(3/11) grade 4, showing a risk of HR-grade 2 or more resection but an acceptable stenosis prevention even after entirely circumferential resection. Conversely, patients with previous treatment history demonstrated severe stenosis at a high frequency of 80%(4/5). Conclusions Esophageal TA-filling is a promising stenosis-preventive steroid therapy, even in entirely circumferential ESD cases. However, HR-grade 2 or more elevation and previous treatment history were independently associated with therapy resistance.

Current Management of Post-radical Prostatectomy Urinary Incontinence

Prostate cancer is the second most common cancer in men worldwide. Radical prostatectomy and radiation beam therapy are the most common treatment options for localized prostate cancer and have different associated complications. The etiology of post prostatectomy incontinence is multifactorial. There is evidence in the literature that anatomic support and pelvic innervation are important factors in the etiology of post-prostatectomy incontinence. Among the many surgical and technical factors proposed in the literature, extensive dissection during surgery, damage to the neurovascular bundle and the development of postoperative fibrosis have a substantial negative impact on the continence status of men undergoing RP. Sparing of the bladder neck and anterior, and possibly posterior, fixation of the bladder-urethra anastomosis are associated with better continence rates. Overactive bladder syndrome (OAB) is multifactorial and the exact role of prostate surgery in the development of OAB is still under debate. There are several variables that could contribute to detrusor overactivity. Detrusor overactivity in patients after radical prostatectomy has been mainly attributed to a partial denervation of the bladder during surgery. However, together with bladder denervation, other hypotheses, such as the urethrovesical mechanism, have been described. Although there is conflicting evidence regarding the importance of conservative treatment after post-prostatectomy urinary incontinence, pelvic floor muscle training (PFMT) is still considered as the first treatment choice. Duloxetin, either alone or in combination with PFMT, may hasten recovery of urinary incontinence but is often associated with severe gastrointestinal and central nervous side effects. However, neither PFMT nor duloxetine may cure male stress urinary incontinence. The therapeutic decision and the chosen treatment option must be individualized for each patient according to clinical and social factors. During the recent years, the development of new therapeutic choices such as male sling techniques provided a more acceptable management pathway for less severe forms of urinary incontinence related to radical prostatectomy. Following this perspective, technological improvements and the emergence of new dedicated devices currently create the premises for a continuously positive evolution of clinical outcomes in this particular category of patients.

Early biomechanical outcome in patients with acetabular fractures treated using the pararectus approach: a gait and stair climb analysis study

PurposePatients with surgically treated acetabular fractures using extensive dissection of hip muscles demonstrate an incomplete biomechanical recovery and limited joint mobility during movement. The purpose of this study was to evaluate the early biomechanical outcome in a series of patients with acetabular fractures treated using the less invasive anatomical pararectus approach.MethodsEight patients (48 ± 14 years, BMI 25.8 ± 3 kg/m2) were investigated 3.8 ± 1.3 months after surgery and compared to matched controls (49 ± 13 years, BMI 26 ± 2.8 kg/m2). Trunk and lower extremity kinematics and kinetics during gait and stair climb were calculated. SF-12 and the Merle d’Aubigné score were used for functional evaluation. Statistical analysis was conducted using Mann–Whitney test and Student’s t test. Effect sizes were calculated using Cohen’s d.ResultsNo group differences for lower extremity kinematics during walking and stair climbing were found. During walking, patients showed significant reductions (p < 0.05) of the vertical ground reaction force (8%) and knee and hip extension moments (29 and 27%). Ipsilateral trunk lean was significantly increased by 3.1° during stair descend while reductions of vertical ground reaction force were found for stair ascend (7%) and descend (20%). Hip extension moment was significantly reduced during stair descend by 37%. Patients revealed acceptable SF-12 physical and mental component outcomes and a good rating for the Merle d’Aubigné score (15.9 ± 1.7).ConclusionPatients showed some biomechanical restrictions that can be related to residual deficits in weight bearing capacity and strength of the hip muscles. In contrast, an immediate recovery of mobility was achieved by preserving lower extremity and pelvic movement. Therefore, the pararectus approach can serve as a viable strategy in the surgical treatment of acetabular fractures.Clinical trialTrial registration number DRKS00011308, 11/14/2016, prospectively registered.

Guided suturing technique for midface lift through minimal temporal incision

The midface has been a difficult zone to manage in rejuvenating surgeries. The major challenge for midface lift is to achieve extensive dissection and elevate the composite tissues en bloc through minimal incisions. In a total of 22 composite midface lift cases, a titanium cable wire was used. The wire was made into an elastic loop that guided three SMAS-suspending sutures out of the subcutaneous plane through a short incision at the temporal region. Then, each suture was fixated to the deep temporal fascia. Postoperative complications and the subjective assessment of the patients were evaluated. Surgeries were successfully commenced in all cases. Midface sagging, eye bags, and nasolabial folds all exhibited considerable improvements. Major complications such as nerve injury and alopecia were not observed. The patients were followed up for an average of 16.9 months. In general, 90% of the patients were satisfied with their outcome. This guided suspension suturing technique effectuates a more convenient and efficient way to conduct multi-points anchorage of the composite malar flap. When properly executed, this technique allows the anchorage sutures to bite into the deeper layer of the SMAS that ensures firm suspensions in midface rejuvenation surgery.

Effectiveness of posterior pericardiotomy in preventing cardiac tamponade and effusion pericarditis in the early period after interventions on the thoracic aorta

Background. Interventions on the thoracic aorta involving prolonged artificial circulation, clamping of the aorta and extensive dissection of the mediastinal structures are associated with a higher incidence of pericardial effusion and cardiac tamponade compared to other interventions. We suggest that routine implementation of posterior pericardiotomy may significantly affect the incidence of postoperative pericardial effusion syndrome and cardiac tamponade after interventions on the thoracic aorta.Aim. Evaluation of the effectiveness of posterior pericardiotomy regarding the development of cardiac tamponade, effusion pericarditis and the postoperative course of patients in the early period after interventions on the thoracic aorta.Methods. We conducted a retro- and prospective study that included 100 patients with thoracic aorta pathologies who were operated on in the cardiac surgery department of clinic from 2017 to 2020. All subjects were divided into two groups: a treatment group of 40 patients who underwent routine posterior pericardiotomy, and a control group of 60 patients without posterior pericardiotomy but with standard installation of postoperative drains. Assessment of the effect of posterior pericardiotomy on pericardial effusion, cardiac tamponade and the early postoperative period was conducted on the basis of transthoracic echocardiography that was performed daily during hospitalisation (the maximum amount of effusion during the observation period was taken as the control point), as well as up to one month after discharge from hospital.Results. The study groups did not differ regarding parameters such as time of artificial circulation (p = 0.39), time of myocardial ischaemia (p = 0.42), length of intensive care unit stay (p = 0.79) and length of hospitalisation (p = 0.21). Evaluation of pericardial effusion of varying severity during hospital follow-up revealed its presence in 15 (37.5%) patients in the PPt group and in 54 (90%) in the control group (p = 0.0001). Early postoperative cardiac tamponade developed in 4 (6.7%) patients in the control group, but was not observed in the PPt group (p = 0.09). At the same time, 5 (8.3%) patients without pericardiotomy required pericardiocentesis; however, this procedure was not performed in the PPt group (p = 0.06). Additionally, we did not find a statistically significant difference between the groups in relation to the frequency of puncture of the left pleural cavity (37.5% in the PPt group versus 43.3% in the control group, p = 0.56). According to the results of control echocardiography after one month, effusion of varying severity was found in 21 (35%) patients in the control group versus 1 (2.5%) in the PPt group (p = 0.0001).Conclusion. Posterior pericardiotomy is an affordable, applicable, safe and effective method for preventing postoperative pericardial effusion and cardiac tamponade after thoracic aortic surgery. This manipulation did not significantly affect the length of hospitalisation or the incidence of postoperative atrial fibrillation in this cohort of patients. Posterior pericardiotomy is not associated with a more frequent need for puncture of the left pleural cavity. Received 13 October 2020. Revised 10 December 2020. Accepted 11 December 2020. Funding: The study did not have sponsorship. Conflict of interest: Authors declare no conflict of interest.

Modified partial penile disassembly repair for improved functional and cosmetic outcome in isolated male epispadias

Introduction and objectiveThe objective of the study was to evaluate the functional and cosmetic outcome of single-stage modified partial penile disassembly repair in isolated male epispadias. Materials and methodsA retrospective analysis of 15 cases of primary epispadias repair, from June 2015 to December 2018, was performed. Patients were classified by the type of epispadias, urinary incontinence, chordee, and rotation. Surgical techniquePenile degloving with the mobilization of the urethral plate from the ventral to the dorsal aspect with the preservation of blood supply at both ends, distally up to the level of mid-glans and proximally up to the pubic symphysis is done. Tubularization of urethral plate followed by spongioplasty, corporoplasty with medial rotation of corporeal bodies, and glanuloplasty with meatoplasty was done to bring the meatus ventrally. The skin cover is done by the rotation of the ventral flaps and the z-plasty whenever required. ResultsAge of the patients varied from 4 months to 21 years with a mean of 11 years. Thirteen patients had excellent cosmetic outcome while two patients had minimal residual chordee but did not require any surgery in a follow-up. Five patients with partial incontinence in the study group achieved continence after surgery. None of the patients developed complications such as fistula or stricture. All five male patients in the post-pubertal group reported normal erections and successful ejaculations after the surgery. Follow-up ranged from 3 months to 18 months. ConclusionsModified partial penile disassembly incorporates all the benefits of Cantwell Ransley repair and needs less extensive dissection than total penile disassembly. Both functional and cosmetic results are good with a low complication rate.

Robotic pancreaticoduodenectomy for pancreatic head cancer and periampullary lesions.

Pancreaticoduodenectomy, so‐called “Whipple operation,” is a time‐consuming and technically demanding complex operation. Traditionally, this procedure has been performed most usually by open approach, which results in a large and painful wound. With the introduction of laparoscopic and robotic surgery, minimally invasive surgery (MIS) has emerged as a worldwide trend to improve wound cosmesis and to minimize wound pain. Although MIS for pancreaticoduodenectomy has also been attempted at some centers, the role of MIS, either robotic or laparoscopic approach, has not been well‐established for complex pancreaticoduodenectomy. Given that laparoscopic pancreaticoduodenectomy has been limited by its technical complexity and the high level of advanced laparoscopic skills required for pancreatic reconstruction, a robotic surgical system is introduced to overcome several limitations related to the laparoscopic approach. Providing high‐quality three‐dimensional (3‐D) vision, high optical magnification, articulation of robotic instruments, greater precision with suture targeting, and elimination of surgeon tremor, robotic surgical systems innovatively perform more delicate and complex procedures involving extensive dissection and suturing techniques such as pancreaticoduodenectomy. Although associated with longer operative time, robotic pancreaticoduodenectomy (RPD) has been claimed to have the benefits of less delayed gastric emptying, less blood loss, shorter length of postoperative stay, and lower wound infection rate, as compared with the traditional open pancreaticoduodenectomy (OPD). Moreover, RPD seems to be not only technically feasible but also justified without compromising the survival outcomes for pancreatic head and ampullary adenocarcinomas. Therefore, RPD could be recommended not only to surgeons but also to patients in terms of surgical feasibility, surgical outcomes, and patient satisfaction.

Результаты использования оригинальной техники фиксации яичка при трансскротальном доступе в хирургии крипторхизма у детей

Introduction. Transscrotal orchiopexy is gradually gaining more and more adherents and expanding the boundaries of its use. At the stage of funiculolysis, the use of the transscrotal approach is accompanied by extensive dissection of the tunica dartos, which makes it almost impossible to use the Shoemaker technique for testicular fixation. The described situation determines the need to develop a testicular fixation technique with transscrotal approach (TA). Material and methods. The study included 186 patients operated on for unilateral inguinal cryptorchidism in the period from 2009 to 2019 using TA Left-sided cryptorchidism was in 76 (41%), right-sided in 110 (59%) boys. Group I – 89 (47.8%) patients operated on TA according to the Bianchi technique, the average age of patients was 45.9 ± 39.6 months. Group II – 97 (52.2%) patients, mean age 47.8 ± 41.6 months, operated on TA using an original method of testicular fixation, consisting in the formation of a cuff from subcutaneous adipose tissue around the spermatic cord by suturing it from superficial inguinal ring, above and below the spermatic cord in the caudal direction to the entrance to the scrotum. In the postoperative period, the volume and position of the gonads in the scrotum were assessed at 3, 6 and 12 months after surgery. To determine the significance of differences between the groups, Student's t-test and chi-square test were used. Results. Unsatisfactory position of the gonads in the postoperative period in group I was noted in 6 (9.5 %), in group II in 1 (1.16%) cases (p &lt; 0.05). Testicular atrophy was detected in group I in 1 (1.59%) patient, in group II also in 1 (1.16%) patient (p&gt; 0.05). The testicular hypotrophy index decreased after 12 months. In group I from 60.7 ± 21.2% to 44.3 ± 23.9%, in group II from 63.1 ± 19.4% to 43.8 ± 19.1%, (p &lt; 0.05). Conclusions. The author's testicular fixation technique for transscrotal orchiopexy provides the safety of surgery comparable to the standard Bianchi and Squire technique, but higher efficiency in preventing testicular malposition after surgery.

Optimal Surgery Type and Adjuvant Therapy for T1N0M0 Lung Large Cell Neuroendocrine Carcinoma.

BackgroundThe appropriate treatment strategy for T1N0M0 lung large cell neuroendocrine carcinoma (LCNEC) was not well illustrated. We evaluated the efficacy of different surgery types and adjuvant therapy on patients with T1N0M0 LCNEC.MethodsPatients diagnosed T1N0M0 LCNEC from 2004 to 2016 were identified in the surveillance, epidemiology, and end results (SEER) database. Clinical characteristics, treatment and survival data were collected. The efficacy of surgery type and adjuvant therapy stratified by tumor size was assessed. Overall survival(OS) was evaluated by the Kaplan-Meier method, and relevant survival variables were identified by the Cox proportional hazard model.ResultsFrom 2004 to 2016, 425 patients were included in this study, 253 (59.5%) patients received lobectomy, and 236 (55.5%) patients had 4 or more lymph nodes removed. Patients received lobectomy had better survival than those received sublobar resection(P=0.000). No matter tumor size less than 2 cm or 2 to 3 cm, lobectomy was significantly prolonged survival. Compared with no lymph nodes removed, lymph nodes dissection was associated with more remarkable OS(P<0.000). 4 or more regional lymph nodes dissection predicted better OS compared with 1 to 3 regional lymph nodes dissection(P=0.014). After surgery, adjuvant chemotherapy did not contribute to extended survival in patients with tumor less than 2 cm(P=0.658), and possibly for tumor 2 to 3 cm(P=0.082). Multivariate analysis showed that age and lobectomy were independent prognostic factors(P=0.000).ConclusionOur results suggest that lobectomy and lymph nodes dissection were associated with significantly better survival. Extensive regional lymph node dissection(4 or more) was more effective in prolonging survival than 1 to 3 lymph nodes dissection. Adjuvant chemotherapy was not associated with extended survival for tumor less than 2 cm, and possibly for tumor 2 to 3 cm.

Remote access endoscopic parathyroidectomy: a study of 17 cases from Central India

&lt;p&gt;&lt;strong&gt;Background: &lt;/strong&gt;It has been debated that "remote access endoscopic parathyroidectomy" requires extensive dissection, thereby, increasing the risk of complications. Hence, the aim of this study is to assess the feasibility and safety of remote access endoscopic parathyroidectomy via the unilateral axilla-breast approach (ABA) and transoral vestibular approach (TOEPVA). &lt;/p&gt;&lt;p&gt;&lt;strong&gt;Method: &lt;/strong&gt;The study includes 17 patients with primary hyperparathyroidism undergoing endoscopic parathyroidectomy from January 2016 to December 2020. Of these, 11 patients underwent parathyroidectomy via unilateral ABA and 6 had TOEPVA. Preoperatively, ultrasonography of neck, sestamibi scan and CT scan neck were done to localise the diseased gland. Post operatively, Serum calcium and parathyroid hormone levels were monitored.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results&lt;/strong&gt;: The mean age of patients was 35.6±10.5 years. Except one, all the patients were females. The mean operative time of the unilateral ABA and TOEPVA group was 93.67±28.64 minutes and 138.6±31 minutes respectively. Except for three patients, in all the patients, the parathormone levels normalised. One patient had hungry bone syndrome postoperatively. The mean hospital stay of the unilateral ABA and TOEPVA group was 3±1.5 days and 4±3.09 days respectively. One patient had post-operative transient recurrent laryngeal nerve paresis. Seroma and surgical emphysema were seen in two patients each. &lt;/p&gt;&lt;p&gt;&lt;strong&gt;Conclusions&lt;/strong&gt;: Remote Access Endoscopic parathyroidectomy may be considered safe in treatment of parathyroid tumours. Precise preoperative localisation is mandatory. In addition to a magnified view and a better illumination, the potential advantages of endoscopic techniques are better cosmetic results, decreased hospital stay and better patient comfort.&lt;/p&gt;

Feasibility of lower trapezius and rhomboid minor transfer for irreparable subscapularis tears: an anatomic cadaveric study.

BackgroundPreviously reported outcomes after tendon transfers to reconstruct the subscapularis are unpredictable and often unsatisfactory, especially in the presence of anterior humeral head subluxation. We studied the anatomic feasibility of the lower trapezius and the rhomboid minor transfer to reconstruct irreparable tendon tears of the subscapularis. The aim of this study was to determine the feasibility of lower trapezius and rhomboid minor transfer to reconstruct irreparable subscapularis tendon tears.Materials and methodsWe measured the tendons dimensions, muscles excursions, distances to pedicles, and dissection needed to complete a successful lower trapezius and/or rhomboid minor transfer to the subscapularis footprint in 10 cadaveric shoulders. The transferred muscles were detached distally, augmented with a semitendinosus and gracilis autograft, and passed anteriorly between the scapula and the subscapularis remnant through a small serratus window to reach the lesser tuberosity. The risk of pedicle compression was subjectively assessed in all cases.ResultsThe trapezius and rhomboid tendons were asymmetric with an average length of 37.6 mm and 21.7 mm, an average width of 63 mm and 33.4 mm, respectively. The mean distances from each distal insertion to the lesser tuberosity were 109 mm for the trapezius and 144 mm for the rhomboid. Mean distances from tendon to pedicle were 57.9 mm and 33.1 mm, respectively. The mean size of the necessary serratus window was 49.4 mm, which was measured at maximal excursion achieved at maximal external rotation 90° representing two digitations. All of the tendon transfers were feasible, and the risk of pedicle compression was 20% for the trapezius and 10% for the rhomboid. Superior migration of the transfer was observed during passive external rotation if the insertion point was too high.ConclusionsTransfer of the lower trapezius and rhomboid minor to the lesser tuberosity to reconstruct an irreparable subscapularis tear is feasible without extensive dissection and with a low risk of nerve compression. We recommend not to transfer the rhomboid minor routinely, owing to the risk of tendon luxation after external rotation of the shoulder.

Minimize the extent and morbidity of axillary dissection for node-positive breast cancer patients: implementation of axillary lymph node dissection based on breast lymphatics level

BackgroundBreast cancer-related lymphedema (BCRL) is associated with extensive axillary dissection. Axillary lymph node dissection (ALND) based on breast lymphatics level (BLL) was proposed to minimize the surgical extent for node-positive breast cancer patients.MethodsA total of 156 consecutive sentinel lymph node-positive (SLN+) or clinically node-positive (cN+) patients underwent sentinel lymph node biopsy (SLNB) with indocyanine green and methylene blue (MB). The SLNs were injected with 0.1 ml MB before removal, and a standard ALND was subsequently performed. The nodes adjacent to the blue-stained axillary lymph nodes from the breast (bALNs) were sent for pathological examination separately by resecting serial tissue every 0.5 cm away from the marginal blue-stained bALNs. Then, a pilot study comparing ALND based on BLL and standard ALND was performed.ResultsBLL were successfully identified in 20 SLN+ (100%) and 134 cN+ (98.5%) patients. The median number of BLL was four, ranging from three to six. A horizontal line 1.0 cm away from the superior blue-stained bALN and a vertical line 1.0 cm away from the medial blue-stained bALN formed BLL II, III, and IV. All of the additional positive nodes were within 1.0 cm of the blue-stained bALNs. The minimized axillary dissection should resect upwards from the lowest BLL that contains the first confirmed negative blue-stained bALNs. In the pilot study, no patient developed axillary recurrence.ConclusionThe ALND surgical procedure based on BLL could minimize the surgical extent for pathological node-positive breast cancer patients and potentially reduce the BCRL rate.Trial registrationChiCTR1800014247.

Use of Ultrasmall Core-Shell Fluorescent Silica Nanoparticles for Image-Guided Sentinel Lymph Node Biopsy in Head and Neck Melanoma

Sentinel lymph node (SLN) mapping agents approved for current surgical practice lack sufficient brightness and target specificity for high-contrast, sensitive nodal visualization. To evaluate whether an ultrasmall, molecularly targeted core-shell silica nanoparticle (Cornell prime dots) can safely and reliably identify optically avid SLNs in head and neck melanoma during fluorescence-guided biopsy. This nonrandomized clinical trial enrolled patients aged 18 years or older with histologically confirmed melanoma in whom SLN mapping was indicated. Exclusion criteria included known pregnancy, breast-feeding, or medical illness unrelated to the tumor. The trial was conducted between February 2015 and March 2018 at Memorial Sloan Kettering Cancer Center, with postoperative follow-up of 2 years. Data analysis was conducted from February 2015 to March 2018. Patients received standard-of-care technetium Tc 99m sulfur colloid followed by a microdose administration of integrin-targeting, dye-encapsulated nanoparticles, surface modified with polyethylene glycol chains and cyclic arginine-glycine-aspartic acid-tyrosine peptides (cRGDY-PEG-Cy5.5-nanoparticles) intradermally. The primary end points were safety, procedural feasibility, lowest particle dose and volume for maximizing nodal fluorescence signal, and proportion of nodes identified by technetium Tc 99m sulfur colloid that were optically visualized by cRGDY-PEG-Cy5.5-nanoparticles. Secondary end points included proportion of patients in whom the surgical approach or extent of dissection was altered because of nodal visualization. Of 24 consecutive patients enrolled (median [interquartile range] age, 64 [51-71] years), 18 (75%) were men. In 24 surgical procedures, 40 SLNs were excised. Preoperative localization of SLNs with technetium Tc 99m sulfur colloid was followed by particle dose-escalation studies, yielding optimized doses and volumes of 2 nmol and 0.4 mL, respectively, and maximum SLN signal-to-background ratios of 40. No adverse events were observed. The concordance rate of evaluable SLNs by technetium Tc 99m sulfur colloid and cRGDY-PEG-Cy5.5-nanoparticles was 90% (95% CI, 74%-98%), 5 of which were metastatic. Ultrabright nanoparticle fluorescence enabled high-sensitivity SLN visualization (including difficult-to-access anatomic sites), deep tissue imaging, and, in some instances, detection through intact skin, thereby facilitating intraoperative identification without extensive dissection of adjacent normal tissue or nerves. This study found that nanoparticle-based fluorescence-guided SLN biopsy in head and neck melanoma was feasible and safe. This technology holds promise for improving lymphatic mapping and SLN biopsy procedures, while potentially mitigating procedural risks. This study serves as a first step toward developing new multimodal approaches for perioperative care. ClinicalTrials.gov Identifier: NCT02106598.

Appropriate duration of endoscopic dilation for postoperative benign esophageal strictures.

Benign esophageal strictures are a frequent complication after esophageal surgery or extensive endoscopic submucosal dissection. Endoscopic dilation is the preferred treatment in clinical practice. However, the allocation of time for each dilation is unclear. The aim of this study was to evaluate the appropriate duration of endoscopic dilation for benign esophageal strictures after esophageal surgery or endoscopic submucosal dissection. Patients with benign esophageal strictures after esophageal surgery or endoscopic submucosal dissection between July 2010 and July 2018 were retrospectively included in this study. According to the dilation time (1, 3, 5min), patients were divided into three groups. The clinical effects and adverse events were compared among the three groups. Altogether, 57 patients, including 21 in the 1-min group, 18 in the 3-min group and 18 in the 5-min group, were included. All patients underwent endoscopic treatment successfully. The stricture recurrence rate was 76.19% in the 1-min group, 55.56% in the 3-min group and 61.11% in the 5-min group. The median overall dysphagia-free period was 2.60 (range, 0.80-12.00) months in the 1-min group, 6.60 (range, 1.80-12.00) months in the 3-min group and 6.25 (range, 2.40-12.00) months in the 5-min group (P < 0.05). For patients who developed stricture recurrence, the mean dysphagia-free periods were 2.26 ± 1.27months, 4.00 ± 1.76months and 4.23 ± 1.63months, respectively (P < 0.05). The dysphagia-free periods were comparable between the 3- and 5-min groups and were longer than those in the 1-min group. Muscle layer damage occurred in two patients (11.11%) in the 5-min group and in no patients in the other two groups. Three minutes was considered a safe and effective dilation duration for benign esophageal strictures after esophageal surgery or endoscopic submucosal dissection.

Dysautonomia following radical cystectomy and intracorporeal orthotopic neobladder: A case report

Orthostatic hypotension and dysautonomia occur commonly after surgery, but there is little data regarding these complications in the genitourinary surgery population. This report presents the case of a 74-year-old male diagnosed with muscle-invasive bladder carcinoma who underwent radical cystectomy and creation of an intracorporeal orthotopic neobladder. Following surgery, he developed significant lightheadedness and was found to have orthostatic hypotension of unclear etiology. We postulate that this is likely multifactorial and due to a myriad of factors including postoperative weight loss, extensive lymph node dissection, presence of a hiatal hernia, and dietary contributions. This case report is the first of its kind to investigate and report on orthostatic hypotension as a postoperative complication of radical cystectomy and creation of an orthotopic ileal neobladder.

Blepharoplasty Approach to the Orbital Rim: A Novel Approach for Select Patients Presenting for Gender Affirming Facial Plastic Surgery.

Gender affirming facial surgery is a valuable option for patients with gender dysphoria. Traditionally, procedures for the upper third of the face focus on hairline position and contour of bony prominences via a coronal or trichophytic incision. These traditional approaches require large incisions and extensive dissection, which is not desirable for many patients and potentially avoidable in specific situations. We utilized a standard blepharoplasty approach to access the superior orbital rim in patients who desired isolated lateral orbital contouring as part of their gender affirming facial surgery. A subset of patients who require bony contouring of the orbital rim as part of their treatment for gender dysphoria will benefit from a less invasive approach to the upper face. A standard blepharoplasty incision is safe and effective to access the orbital rims in select patients, with decreased recovery and comparable results to traditional approaches.

IS TUMOUR SIZE AN INDEPENDENT PREDICTOR FOR AXILLARY LYMPH NODE METASTASIS IN INFILTRATING DUCT CARCINOMA BREAST IN T2 AND T3 TUMOURS : PROSPECTIVE REVIEW OF 256 CASES

Background: As breast cancer remains a major fraction of cancer cases worldwide, the options for minimalizing postoperative morbidity and mortality remain an area for ardent research and improvement. The ability to identify patients at low risk of axillary metastases, would be of great value in limiting extensive axillary dissection which causes signicant morbidity, thereby improving the postoperative quality of life amongst patients. We conducted a study to identify characteristics of primary tumors highly associated with axillary lymph node metastases by comparing various demographic and tumor characteristics against nodal status. Methodology: 288 cases of the axillary dissection specimens of all inltrating duct carcinoma cases who underwent MRM in Government Medical College, Thrissur for 5 consecutive years were studied (n=256). Pathology was interpreted by a select group of Pathologists and then reanalyzed by another set to avoid bias. Various other aspects were studied including age distribution, histology, tumour size and nodal status. Analysis was done using SPSS 26 software. Results: The mean age of the study population was 50.58 years. The most common histopathological type encountered was Invasive ductal carcinoma – NOS (89.58%). Most of the patients (78.29%) belonged to T2 stage, with most patients (76.39%) having 1- 3 nodes involved. On analysis, a signicant association between T status ( T2 ,T3 ) and N status (p = 0.001) was found. However, there was no signicant correlation between age against tumor size or nodal status (p = 0.528, and p = 0.614 respectively). Conclusions: This study found that while tumor size is independently can predict the amount of axillary lymph node metastasis especially in T2 and T3 tumors , there is no signicant predictor value for age in predicting the nodal status or tumor size in invasive ductal carcinoma. However, the factors which modifying tumor behavior like the grade, ER status, Her2 neu status and Cerb 2 will have an inuence on the prediction of Axillary Lymph node involvement that offers further scope of prospective research