Subcutaneous Emphysema Research Articles

Orbital and Premaxillary Emphysema as a Result of Nose-Blowing Following Blepharoplasty

AbstractA 41-year-old man presented with sudden-onset swelling, redness, and pain in the right eye, 4 days after bilateral upper and lower eyelid blepharoplasty. The symptoms were preceded by a forceful nose-blowing episode. Upon examination, periorbital edema and subcutaneous crepitus were observed, along with limitations in upward gaze. Computed tomography revealed bilateral premaxillary and extraconal air accumulation. Since there was no optic nerve ischemia or orbital compartment syndrome, the patient was closely monitored. Spontaneous regression of the emphysema was observed during follow-ups. Orbital emphysema, although commonly associated with trauma, can also arise from compelling movements such as severe nose-blowing, as demonstrated in this unique case postblepharoplasty. The structural changes during surgery may contribute to weakened support, predisposing patients to emphysema following sudden pressure changes. Clinicians should be vigilant for periorbital edema and subcutaneous crepitus after facial surgeries, emphasizing the importance of timely imaging for diagnosis. Awareness campaigns advising against forceful actions like sneezing, coughing, and nose-blowing during the initial postoperative period are crucial to prevent potential complications.

Prevalence and Risk Factors of Pneumomediastinum and Subcutaneous Emphysema in COVID-19 Patients: A Retrospective Cohort Study

Background: Pneumomediastinum (PM), the presence of air in the mediastinum, is a rare condition. Severe COVID-19 patients are at an increased risk for PM and subcutaneous emphysema (SCE) due to alveolar rupture from diffuse lung injury. Despite the increased prevalence of PM in COVID-19 patients, the optimal treatment approach remains debated. Objectives: This study investigated the prevalence, outcomes, and associated risk factors for PM and SCE in COVID-19 patients. Methods: In this retrospective cohort study, COVID-19 patients aged 18 - 80 with a positive PCR test and chest CT scan from April to December 2021 were included. Cases of PM and SCE were identified, and an equal number of age, sex, and severity-matched COVID-19 patients were selected as the control group for comparison. Results: Of the 1 557 patients, 89 (5.71%) developed PM. Among these patients, 63 (4.04%) developed SCE. Patients with these complications had significantly longer hospital stays. No significant association was found between comorbidities and the occurrence of PM or SCE. The use of Venturi and non-rebreather masks (OR = 3.075, 95% CI: 1.658 - 5.705), non-invasive ventilation (NIV) (OR = 16.941, 95% CI: 6.545 - 43.851), and invasive mechanical ventilation (IMV) (OR = 5.703, 95% CI: 2.595 - 12.533) were significantly associated with these complications (P < 0.0001). The mortality rate among severe COVID-19 patients with PM was 43.8%, and 47.6% among those with SCE. Conclusions: Pneumomediastinum and SCE are rare complications in COVID-19 patients, associated with prolonged hospitalization. The use of certain respiratory support methods, including NIV and IMV, significantly increased the risk of these complications. Both PM and SCE are linked to high mortality rates, highlighting the need for careful management in affected patients.

A Tenacious Trio of Retropharyngeal Emphysema, Pneumomediastinum and Subcutaneous Emphysema Secondary to Pulmonary Tuberculosis: A Case Report

Retropharyngeal emphysema (RPE) is the presence of air in the retropharyngeal area. It may occur due to various etiologies or sometimes spontaneously due to an underlying lung pathology. This report describes a case of a 26-year-old gentleman with pulmonary tuberculosis on treatment who presented with acute breathlessness and dysphagia. His neck and chest radiograph showed retropharyngeal emphysema with pneumomediastinum and subcutaneous emphysema. This was further confirmed by a CT neck and thorax. The patient was managed conservatively with analgesia, antibiotics, IV corticosteroids and oxygen supplementation. Repeat chest radiograph after 17 days showed resolution of retropharyngeal emphysema. Clinicians should have a high index of suspicion for RPE in patients who present with unexplained acute breathlessness and dysphagia of a diseased lung.

Facial high-pressure injection injury with air in a child

BackgroundHigh-pressure injection injuries are rare injuries and are frequently underestimated due to the limited external damage. Because of their association with occupational activities, these injuries are predominantly seen in hands. Facial involvement in such traumas is extremely rare. The difference in facial anatomy compared to the extremities demands careful consideration of both associated complications and treatment options.CaseA 6-year-old girl with no significant medical history was presented to the Emergency Department with a high-pressure injection injury to her right eye with a high-pressure cleaner. This resulted in injection of air at a pressure of 8 bar into the eye. She developed significant subcutaneous emphysema in the facial and neck regions. Additionally, intraorbital and intracranial emphysema were identified without any fractures. Treatment consisted of inpatient observation and antibiotic treatment. The patient was discharged after one day of observation for continued antibiotic treatment at home. Two weeks later, the patient had no residual symptoms and there were no signs of secondary infection.ConclusionHigh-pressure injection injuries to the face are rare and demand a different approach compared to the most common high-pressure injection injuries to the extremities. The nature of the injected material is paramount in choosing the appropriate treatment. This case illustrates that a high-pressure injection injury with air in the facial region, leading to extensive emphysema, can be managed conservatively with antibiotic therapy and inpatient observation.

A Retrospective Study of Cricotracheostomy: Indications, Techniques, and Clinical Outcomes.

Cricotracheostomy (CT) is a surgical procedure for airway access that can be performed using 2 techniques: excising the cricoid cartilage (CTrach), or by creating an inverted U-shaped flap from the first tracheal ring (CTrachT). The aims of this study are to clinically evaluate factors such as patient background, complications, and stoma closure status in patients who underwent CT, and to compare the clinical outcomes between CTrach and CTrachT. Retrospective, cross-sectional study. Single-institution academic center. Records of patients who underwent CT at the University of Tokyo Hospital between 2014 and March 2024 were reviewed, detailing their demographics and clinical characteristics. We investigated differences in clinical backgrounds, complication risks for each surgical procedure, and factors contributing to stoma closure and complications after CT. The median age for patients undergoing CT was 70 years, predominantly male (76%), and most were malnourished. Common indications included low-lying larynx and obesity. Stoma closure was achieved in 16% of patients. Early complications were surgical site infection (9%) and subcutaneous emphysema (2%), with granuloma formation in 20%. The CTrach group had a significantly higher median age (P = .03), but other factors showed no significant differences. CTrachT was more often performed by board-certified specialists (P = .04). Stoma closure rates and complications were not significantly influenced by any single factor. CT presents a viable option with minimal postoperative complications for patients wherein conventional tracheotomy may be more challenging, such as in low-lying larynx, obesity, advanced age, and poor nutritional status.

Impact of remimazolam on postoperative inflammatory markers and complications in thoracoscopic pulmonary lobectomy patients: A retrospective analysis.

Remazolam is widely used for procedural sedation in intensive care units. It has been shown to have anti-inflammatory and organ-protecting properties. However, the changes in inflammatory markers and analgesic effects of remazolam after thoracoscopic pulmonary lobectomy remain unclear. This study aims to assess the effects of the novel drug remimazolam on inflammatory factor levels and postoperative complications in thoracoscopic pulmonary lobectomy patients, providing a scientific basis for clinical use. This retrospective study analyzed 200 thoracoscopic pulmonary lobectomy patients, who were divided into a control group and a remimazolam group based on their anesthesia method. Patients in ramazolam group were anesthetized with ramazolam, while patients in control group were anesthetized with propofol. All patients were performed by the same physician team and anesthesia team. Inflammatory factors (including interleukin-6 [IL-6], C-reactive protein [CRP], including interleukin-8) were measured preoperatively and postoperatively, and postoperative complication rates were compared between the 2 groups. The levels of IL-6 and CRP were significantly higher in the remimazolam group at 7 days postoperatively compared to the control group. No significant differences were observed in preoperative inflammatory factors or postoperative including interleukin-8 levels between the 2 groups. Additionally, there were no significant differences in the overall incidence of postoperative complications or in specific complications such as pulmonary infection, atelectasis, subcutaneous emphysema, pneumothorax, surgical site infection, and arrhythmia. Patients receiving remimazolam had higher postoperative IL-6 and CRP levels compared to the control group, without an increase in postoperative complications. In clinical use, attention should be paid to the control of inflammatory indicators in patients using remazolam. However, due to potential confounding factors and the retrospective design, we cannot establish a causal relationship between remimazolam and elevated inflammatory markers. These findings suggest a possible association that requires cautious interpretation. Further research is needed to assess the clinical relevance and explore the underlying mechanisms.

Subcutaneous emphysema in patients undergoing robotic cardiac surgery: risk factors and clinical outcome.

Little is known about the incidence of subcutaneous emphysema (SE) after robotic cardiac surgery. The aim of this study was to describe the incidence, identify risk factors, and assess its influence on postoperative outcomes. Patients undergoing robotic mitral valve repair (n = 63, 54.3%), robotic minimally invasive direct coronary artery bypass grafting (n = 23, 19.8%), and robotic totally endoscopic coronary artery bypass grafting (n = 30,25.9%) were included in the analysis (total n = 116). Subcutaneous emphysema occurred in 53/116 patients (45.7%). It was mild in 30/53 patients (56.6%), moderate in one patient (1.9%), and severe in 22/53 patients (41.5%). Low body weight (p = 0.009), low BMI (p = 0.006), small body surface area (p = 0.01), and older age (p = 0.041) significantly correlated with SE. Patients undergoing robotic mitral valve repair were affected more often than patients undergoing robotic coronary artery bypass grafting (p = 0.04). Severe subcutaneous emphysema resulted in an increased need for CT-chest imaging (p = 0.026), and additional chest tubes (p = 0.029). Severe emphysema was highly associated with pneumothorax (p < 0.001) and increased duration of chest tube drainage (p = 0.003). Subcutaneous emphysema after robotic heart surgery occurs preferentially in patients with low body weight, low BMI, a small body surface area, and older age and is more common in robotic MVR than in robotic coronary artery bypass surgery. It leads to an increased need for thoracic imaging and additional chest tube insertion. Clinical outcomes are not affected.

Three-dimensional semiquantitative evaluation of reactive emphysema in magnesium implant models

Background Magnesium alloys have great potentials as bioabsorbable implants, whereas the difficulty in evaluating hydrogen gas produced in the degradation process has hindered their research and development. In this study, we investigated the possibility of industrial microfocus X-ray computed tomography (micro-CT) for the precise evaluation of subcutaneous emphysematous changes in a rabbit implantation model. Methods Magnesium plates with/without porous venting were implanted under skin defects on the backs of rabbits. The graft sites were examined by industrial micro-CT after sacrificing. The captured images were reconstructed three-dimensionally for volumetric analyses. The tissues of the graft site were also examined in the traditional histological investigation. Results We were able to image and numerate the shape and volume of subcutaneous emphysema using industrial micro-CT. The volume of emphysema was suppressed by pores punched in samples, and this trend increased as the number of pores increased. In the traditional histological examination, inflammatory changes were observed, but the emphysema could not be measured quantitatively. Conclusions Industrial micro-CT imaging makes it possible to visualize and evaluate magnesium-induced subcutaneous emphysema in animal experiment. This cross-border technology has the potential to be widely applied to other life science fields.

Impact of the new robotic platform hinotori™ in preventing subcutaneous emphysema after colorectal cancer surgery.

In the field of abdominal surgery, including colorectal cancer surgery, robotic surgery has become widespread, and the introduction of new robotic platforms is increasing. As a result, the incidence of subcutaneous emphysema (SE) as a postoperative complication has increased; however, the causes, grade, and perioperative course of SE have not been definitively examined. Therefore, we aimed to evaluate potential risk factors of SE after robotic colorectal cancer surgery. Between November 2022 and March 2024, 244 consecutive patients who underwent robotic colorectal cancer surgery using the da Vinci Xi (n = 190) or the hinotori™ platform (n = 54) were retrospectively analyzed. Risk factors associated with postoperative SE were assessed by multivariate analysis using logistic regression models. Moreover, the grade of SE and its perioperative course were investigated based on the two robotic platforms. Postoperative SE was observed in 95 patients (38.9%). Nine patients (3.7%) had severe SE. The risk factors for SE were female sex, older age (≥ 80years), and maximum intraabdominal pressure (max IAP) with CO2 insufflation > 10mmHg (odds ratio [95% confidence interval]: 1.981 [1.105-3.552], p = 0.022; 2.765 [1.310-5.835], p = 0.008; and 13.249 [1.227-143.020], p = 0.033, respectively). Additionally, the incidence of SE when using the hinotori™ platform was significantly lower than when using the da Vinci Xi platform (0.302 [0.135-0.667], p = 0.004). Max IAP with CO2 > 10mmHg was associated with SE during robotic colorectal cancer surgery. Compared with the use of da Vinci Xi, the use of hinotori™ was associated with fewer incidences of postoperative SE, especially in females and older patients (≥ 80years).

Streptococcus salivarius pneumonia-associated pneumomediastinum: a case report and literature review

BackgroundStreptococcus salivarius is an opportunistic pathogen, and there have been no reported cases of Streptococcus salivarius pneumonia to date. Pneumomediastinum is usually secondary to tracheal or esophageal injury and is very rare as a complication of pneumonia. We report a case of Streptococcus salivarius pneumonia complicated by pneumomediastinum, aiming to enhance clinicians’ awareness of rare pathogens and uncommon complications in pneumonia.Case presentationThe patient, a 36-year-old male, presented with a persistent cough and sputum production for one week, accompanied by a sore throat that had developed just one day prior. Chest computed tomography (CT) disclosed pneumomediastinum alongside obstructive atelectasis in the left lower lobe. Streptococcus salivarius infection was conclusively identified through bronchoalveolar lavage metagenomic next-generation sequencing (mNGS), as well as smear and culture analyses. The patient was administered intravenous amoxicillin-clavulanate potassium for a duration of seven days as part of the anti-infection regimen. Given the stability of the patient’s respiratory and circulatory systems, a tube drainage procedure was deemed unnecessary. Post-treatment, the patient’s clinical symptoms notably improved. A subsequent chest CT scan revealed the re-expansion of the left lower lung and near-complete resolution of pneumomediastinum.ConclusionThere are numerous pathogens that can cause pneumonia. While focusing on common pathogens, it is important not to overlook rare ones. When considering infections from rare pathogens, it is recommended to promptly perform a bronchoscopy and submit bronchoalveolar lavage fluid for mNGS to improve pathogen detection rates. During the diagnosis and treatment of pneumonia, it is crucial to be vigilant for rare complications. When a patient presents with symptoms such as dyspnea or subcutaneous emphysema, it is advisable to immediately perform a chest CT scan to rule out pneumomediastinum.

MAUDE database and Eustachian tube balloon dilation: Evaluation of adverse events and sales data

Study designReview of database. SettingTertiary care neurotology center. PatientsPatients undergoing adverse events. InterventionMAUDE database evaluation of Eustachian tube balloon dilation (ETBD) for the treatment of Eustachian tube dysfunction. Main outcome measuresMedical device reports (MDRs) from the MAUDE database were analyzed for adverse patient events (AE) and device malfunctions (DM) among different devices for ETBD. The objective of this analysis is to assess AE rates and compare them across different devices. Sales data was also used to calculate AE rates. ResultsThere were 18 MDRs noted in the MAUDE database for patients undergoing ETBD out of an initial 23 results. When separated into devices, the Aera had 9 total MDRs (50 %), Xpress had 8 (44.4 %) and Audion had 1 (5.6 %). There were 10 AE and 8 DM. When separated by device, Aera had 4 AEs and 5 DMs, Xpress had 5 AEs and 3 DMs, and Audion had 1 AE. The most common AE was subcutaneous emphysema (n = 4), in the head and neck region with one report of mediastinal involvement. Using this sales data, the Aera balloon has an MDR rate of 0.0128 % is established, with a rate of AE at 0.0058 %. The Audion balloon had an MDR and AE rate of 0.0164 %. ConclusionsETBD is a safe procedure with minimal complications, with subcutaneous emphysema being the most commonly reported adverse event, consistent with literature findings. A comprehensive analysis of AE, coupled with sales data, indicates a commendably low MDR rate of 0.0128 % for the Aera balloon while the Audion balloon had an MDR rate of 0.0164 %. These findings offer valuable insights on post-procedure expectations and engaging in informed consent discussions with patients, highlighting the overall safety of ETBD as an intervention.

Valveless and conventional insufflation on pneumoperitoneum-related complications in robotic partial nephrectomy: a systematic review and meta-analysis of prospective studies

IntroductionThe use of pneumoperitoneum is an essential step for performing laparoscopic and robotic surgery. Pneumoperitoneum insufflation can cause complications such as pneumothorax, subcutaneous emphysema, and pneumomediastinum. The purpose of this meta-analysis is to compare the safety of using the conventional insufflation system versus a Valveless insufflation system as devices for manufacturing pneumoperitoneum in robotic-assisted nephrectomy.MethodsA comprehensive literature search was conducted on PUBMED, EMBASE, SCOPUS, and Cochrane, from inception until January 2024. Randomized and nonrandomized prospective studies were included in the meta-analysis, performed by the R+ Rstudio.ResultsThree publications encompassing 478 patients were included. We observed no difference in SCE (OR 0.60, CI 95% 0.27;1.34, p = 0.134, I2 = 0), PNM (OR 0.82, CI 95% 0.24;2.78, p = 0.558, I2 = 0), When comparing groups conventional insufflation system (CIS) versus AirSealTM insufflation system (AIS) with pneumoperitoneum pressure of 15 mmHg or 12 mmHg.ConclusionThe presented data showed no difference between the AIS when compared with CIS in Pneumoperitoneum insufflation-related complications.

Unexpected Pneumothorax During Painless Flexible Bronchoscopy Under Remimazolam Sedation: Two Case Reports and a Literature Review.

The timely recognition of pneumothorax during painless flexible bronchoscopy (PFB) can be challenging. This report describes two consecutive cases of pneumothorax following PFB, both of which were promptly identified and successfully treated. A sudden decrease in heart rate, combined with hypoxemia, is highly effective for detecting pneumothorax in patients undergoing PFB, with subcutaneous emphysema serving as a key auxiliary diagnostic sign. Remimazolam may provide significant clinical benefits in emergency situations during PFB by allowing patients to be quickly awakened to assist with diagnosis.

Precise Thoracoscopic Pneumonectomy Using Fluorescence Imaging After Aerosolized Indocyanine Green Inhalation: A Novel Strategy for Treating Congenital Pulmonary Airway Malformation

BackgroundLobectomy resection is the standard treatment for patients with congenital pulmonary airway malformation (CPAM). However, accurate localization of CPAM lesions and avoiding excessive resection of normal lung tissue are one of the critical issues that can impact postoperative pulmonary function. Indocyanine green (ICG) can be adopted in lung preservation surgery, to minimize damage to normal lung tissue during thoracoscopic pneumonectomy. ObjectiveTo demonstrate the potential benefits of aerosol inhalation of ICG followed by thoracoscopic precision pneumonectomy for the treatment of CPAM. MethodsFrom January 2023 to March 2024, we prospectively collected clinical data from 34 pediatric patients diagnosed with CPAM and treated with thoracoscopic surgery. Patients inhaled ICG aerosol solution (0.5 mg/kg) approximately 30-60 minutes before the operation. During surgery, fluorescence thoracoscopy was used to clearly locate the lesion boundaries and achieve precise resection. ResultsAll patients successfully underwent thoracoscopic precise resection of CPAM lesions without conversion to open surgery. The mean operation time was 100.3 ± 24.6 minutes, and the mean intraoperative blood loss was 30.5 ± 25.6 mL. The mean total length of hospital stay (tLOS) was 6.6 ± 3.2 days. No adverse reactions to ICG were observed. Postoperative complications included one case of pneumothorax (5.9%) and three cases of subcutaneous emphysema (17.6%), all of which resolved without special intervention. Follow-up CT scans and pulmonary function tests conducted 6 months post-surgery demonstrated the absence of residual or recurrent lesions and notable enhancement in pulmonary function. ConclusionPreliminary results indicated that the treatment of CPAM with aerosolized ICG followed by thoracoscopic precise pneumonectomy is safe and feasible.

Bronchial foreign body presenting as pneumothorax and pneumomediastinum in a young child.

Pneumomediastinum (PM) and subcutaneous emphysema (SCE) following foreign body aspiration are very rare. Pneumomediastinum (PM) occurs due to alveolar rupture, whereas subcutaneous emphysema occurs if air leak persists. It is benign in nature, but in some cases, it might be fatal. Therefore, proper assessment and management are required to limit the life-threatening complications and FB should always be suspected whenever spontaneous PM and SCE is seen. PM and SCE are very rare presentations of foreign body aspiration in children of age less than 3 years and in such circumstances, the possibility of foreign body should be considered. There is also a rare possibility of spontaneous expectoration of a foreign body dislodged in the trachea.

Inguinal Hernia Repair: Comparative Study between TEP versus Extended Totally Extraperitoneal.

Inguinal hernia repair is a common surgical procedure, with laparoscopic techniques offering advantages over open surgery. The extended Totally Extraperitoneal (eTEP) technique provides a larger working space compared to the traditional Totally Extraperitoneal (TEP) approach, potentially improving outcomes. A prospective study was conducted comparing eTEP and TEP techniques for inguinal hernia repair at Padmashree Dr. D. Y. Patil Medical College, Hospital and Research Centre, Pimpri, Pune. Forty patients (20 in each group) aged 15-65 with uncomplicated inguinal hernias were included. Surgical procedures were performed based on patient preference. Data on surgical duration, pain scores, hospital stay, and complications were collected and analyzed using statistical methods. eTEP surgery had a significantly shorter mean duration (48.70 ± 7.505 minutes) compared to TEP surgery (74.20 ± 7.78 minutes; P = 0.00). Patients undergoing eTEP experienced lower mean pain scores (3.75 ± 0.55) compared to those undergoing TEP (5.15 ± 0.745; P = 0.00). Hospital stay following eTEP surgery was shorter (1.70 ± 0.657 days) than following TEP surgery (3.65 ± 1.137 days; P = 0.00). eTEP had lower incidences of hematoma and surgical emphysema but higher seroma complications. TEP surgeries were associated with more post-operative complications and a higher likelihood of requiring conversion to open surgery. The eTEP technique offers several advantages over TEP, including shorter surgical duration, less post-operative pain, and shorter hospital stays. However, TEP had more complications related to seroma. Individual patient factors and surgeon experience should guide the choice of technique. The eTEP technique appears to be a promising option for inguinal hernia repair, offering advantages over TEP in terms of surgical outcomes. However, further studies are needed to evaluate long-term outcomes and complication rates comprehensively.

Subcutaneous emphysema during surgical gingival depigmentation: a case report

BackgroundSubcutaneous emphysema related to dental procedures is well documented in literature. It usually occurs during or within minutes to hours after dental treatment and can be easily diagnosed by the presence of crepitus on palpation. Although it is self-limiting, it can develop to potentially life-threatening complications.Case presentationTo the authors knowledge, this is the first report documenting the development of subcutaneous emphysema in a 22-year-old Egyptian female during lower surgical gingival depigmentation using NSK high speed, air driven handpiece operated at 0.25 MPa. Sudden swelling developed involving the right side of the face and immediate diagnosis of subcutaneous emphysema was made on the basis of the presence of crepitus during palpation of the swollen area. Intraoral examination revealed small tissue laceration of the loosely attached alveolar mucosa through which the pressurized air might have passed into the fascial spaces. Complete resolution of the swelling occurred after 7 days without further complications.ConclusionStraightforward surgical procedures, such as gingival depigmentation, can be complicated by the development of subcutaneous emphysema. The crucial role of dentists is to be aware of its signs and to immediately diagnose and manage it to avoid further complication.

Occult Pneumomediastinum - An Atypical Presentation of Chest Discomfort in a Patient with Depression

Pneumomediastinum (mediastinal emphysema) is an uncommon condition characterized by the accumulation of air or gas in the mediastinum. Here is a case of a 16-year-old female known to have depression who presented to the emergency department with complaints of shortness of breath, restlessness, chest discomfort, and hoarseness of voice for 2 days. She was initially diagnosed with panic attack, and later on clinical examination, surgical emphysema over the right supraclavicular area was noticed. Chest X-ray was found to be normal, and further imaging with high-resolution computed tomography (HRCT) of the thorax showed pneumomediastinum. In this report, the clinical presentations, radiological features, and management of pneumomediastinum will be discussed.

Incidence, outcomes, and risk factors of postlaparoscopic subcutaneous emphysema: a historical cohort study.

Subcutaneous emphysema is a common complication of laparoscopic surgery. We aimed to determine the incidence, outcomes, and risk factors of postlaparoscopic subcutaneous emphysema. We conducted a single-centre historical cohort study of adult patients who underwent laparoscopic surgery at Kagoshima University Hospital between 1 April 2018 and 31 March 2021. We used multivariable logistic regression analysis to identify independent factors associated with postlaparoscopic subcutaneous emphysema. We included 1,642 patients with a median [interquartile range] age of 65 [53-72] yr. Postlaparoscopic subcutaneous emphysema was diagnosed in 600 (37%) patients. Female sex (odds ratio [OR], 1.82; 99.5% confidence interval [CI], 1.29 to 2.58), peak end-tidal carbon dioxide ≥ 45mm Hg (OR, 2.07; 99.5% CI, 1.43 to2.98), and use of the AirSeal® Intelligent Flow System (CONMED Corp., Largo, FL, USA) (OR, 3.37; 99.5% CI, 2.34 to 4.87) were independent factors associated with postlaparoscopic subcutaneous emphysema. In addition, a lower body mass index was significantly associated with increased postlaparoscopic subcutaneous emphysema (P for trend < 0.001). No complications were associated with postlaparoscopic subcutaneous emphysema. This historical cohort study showed a relatively high incidence of postlaparoscopic subcutaneous emphysema. In addition to previously reported risk factors, female sex and use of the AirSeal Intelligent Flow System were found to be associated with postlaparoscopic subcutaneous emphysema.

Scarless Enhanced Body Contouring.

A helium-based plasma device with minimal invasiveness selectively heats tissues via joule heating, ensuring safe external temperatures and eliminating the need to monitor the epidermal temperature. From December 2022 to January 2024, Forty-six patients without prior bariatric surgery, who had localized lipodystrophy and mild-to-moderate skin laxity in various body areas, were enrolled in this prospective work. Liposuction was paired with a helium-based plasma radiofrequency device used for all patients. Data on demographics and postoperative complications were disclosed. A patient evaluation was conducted objectively and subjectively, using an independent plastic surgeon assessment and a patient satisfaction survey, respectively. Our technique was performed on 40 females (87%) and six males (13%), in various body areas: arm (fourteen cases: 30.4%), neck (ten: 21.7%), thigh (nine: 19.6%), abdomen (seven: 15.2%), back (three: 6.5%), gynecomastia (three: 6.5%), their age ranges from 23 to 57years, and their body mass index (BMI) ranges from 24 to 34.6kg/m2. Patients' satisfaction at 6months after surgery was 82.6% (38) satisfied, 15.2% (7) borderline, and 2.2% (1) unsatisfied. Individual plastic surgeon evaluation was 69.6% (32) excellent, 28.3% (13) good, and 2.1% (1) fair. The overall complications rates were postoperative edema in 22 cases (47.8%), ecchymosis in 11 cases (23.9%), persistent skin laxity in one case (11.1%), mild seroma in three cases (6.5%), pain and tingling in six cases (13%), and mild subcutaneous emphysema in four cases (8.7%). Combined liposuction and helium-based plasma radiofrequency device usage are a safe, efficient, and minimally invasive substitute for excisional procedures in non-bariatric patients with localized lipodystrophy and mild-to-moderate skin laxity. This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .