Effects Of Anesthesia Methods Research Articles

The effect of anesthesia methods on the neutrophil-lymphocyte ratio in patients undergoing forearm surgery: A monocentric and retrospective study.

Surgical trauma can induce systemic inflammation. The selected anesthesia method may modulate the inflammatory response and surgical results in the inflammatory process that occurs during surgical trauma. In this retrospective study, we aimed to compare the anti-inflammatory effects of general anesthesia and peripheral nerve block (infraclavicular block). Demographic, clinical, and laboratory records (hemogram, total leukocyte count, neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and mean platelet volume) were obtained from the archival data. The patients were divided into 2 groups: Group G, who received general anesthesia, and Group P, who received a peripheral nerve block (infraclavicular block) for forearm surgery. The amount of opioid consumed postoperatively was significantly lower in Group P. Infraclavicular block as an alternative to general anesthesia was found to be associated with a significant decrease in the neutrophil-to-lymphocyte ratio, total leukocyte count, and platelet-to-lymphocyte ratio levels compared to those observed after general anesthesia. Peripheral nerve blocks may play a role in reducing inflammation and alleviating stress.

The Effect of Anesthesia Method on Melatonin Level and Its Relationship With Postpartum Depression ın Cesarean Section Patients.

Objective Our studyaimed to establish the effects of anesthetic agents used in cesarean sections on melatonin levels and to evaluate the possible association between melatonin levels and postpartum depression. Materials and methods Our study was approved by the Erzincan Binali Yıldırım University Ethics Committee (approval number: 25.07.2017 11/11). We included 231 pregnant women between the ages of 18 and 45 who were admitted for a cesarean section to Erzincan Mengücek Gazi Training and Research Hospital Anesthesiology and Reanimation Clinic. The pregnant women were divided into three groups that underwent general, spinal, and combined spinal-epidural anesthesia, respectively. These approaches were determined by the preference of the attending anesthesiologist. On the postoperative first day at 5:00 am, peripheral venous blood samples were obtained from the subjects for melatonin level measurement. Samples were centrifuged and kept in -80 °C until the testing for melatonin with the enzyme-linked immunosorbent assay (ELISA) method. In order to determine the depression status, the subjects were evaluated with the Edinburgh Postpartum Depression Scale. Results Of all the anesthesia typesgiven to the subjects, 16% was combined spinal-epidural anesthesia, 18.2% was general anesthesia, and 65.8% was spinal anesthesia. According to the scale, 68% of the subjects had no depression and 32% had depression. The depression rate in subjects who underwent general anesthesia was significantly higher than in other groups (p<0.001). The association between the anesthesia method and melatonin levels had no statistically significant difference (p=0.53). The association between depression status and melatonin levels had no statistically significant difference among the two groups (p=0.097). Conclusion We aimed to evaluate the effect of the chosen anesthesia method on postoperative melatonin levels and postpartum depression and found that the chosen method of anesthesia does not affect postoperative melatonin levels significantly but the usage of general anesthesia significantly raises the postpartum depression rate among subjects. We also did not find any correlation between postoperative melatonin levels and postpartum depression.

The effect of anesthesia method on the distribution of leukocyte elements and neutrophil/lymphocyte ratio in elective cesareane sections

The effect of anesthesia method on the distribution of leukocyte elements and neutrophil/lymphocyte ratio in elective cesareane sections

Effect of Anesthesia Methods During Elective Cesareans on Neonates: Ordu Province Example

Objective: To research the short-term effects on neonates of different anesthesia methods administered for elective cesareans.Methods: Data obtained from files and electronic medical records of 157 singleton cesarean cases and neonates from January 2018 to December 2019 were retrospectively analyzed and 6 cases were excluded from the study. A total of 151 cases were divided into general anesthesia-propofol (n=30), spinal (n=100) and general anesthesia-pentothal (n=21) groups.Results: A total of 151 cesarean cases that meet the inclusion criteria in the date interval of the study were assessed. Of cases, 100 (66%) were in the spinal anesthesia group, 30 (20%) were in the general anesthesia-propofol group and 21 (14%) were in the general anesthesia-pentothal group. There was no significant difference between the study groups in terms of demographic data. The umbilical cord pCO2 value was significantly low in the spinal anesthesia group (43.60±5.52) compared to the general-pentothal group (47.38±5.71). The umbilical cord HCO3 value was lower in the spinal anesthesia group (22.69±1.62) compared to the general-pentothal (23.48±1.53) and general-propofol groups (23.49±1.83). There was a significant variation in postnatal treatment types according to anesthesia method (p=0.012). The rate not requiring treatment was lowest in the general-propofol group (46.7%), while the rate of balloon-valve mask use (46.7%) was highest compared to the other groups. In terms of 5th minute Apgar scores, there was a significant difference between the groups (p=0.024). Patients in the general-propofol group had significantly lower 5th minute Apgar scores compared to patients in the spinal group.Conclusion: The balloon-valve mask rate was highest for those with propofol general anesthesia. Additionally, it was identified that neonates in both general anesthesia groups had higher neonatal intensive care unit requirements compared to the spinal anesthesia group.

The effects of anesthesia methods in patients who underwent ERCP for choledocholitiasis

The effects of anesthesia methods in patients who underwent ERCP for choledocholitiasis

Comparison of Anesthesia Techniques Used in Cesarean Deliveries on the Neonate - Anesthesia Techniques and Neonate?

Background: Though there are many studies on the effects of anesthesia methods used for cesarean section on the newborn, research on this topic still continues. In our prospective observational study, we investigated the effects of different anesthesia techniques used in routine cesarean deliveries on early neonatal outcomes in our hospital. Methods: This prospective, observational, randomized study included a total of 222 ASA II risk group pregnant women undergoing elective cesarean section at term (38-41 weeks’ gestation) without fetal distress. The women were randomized into three groups. In the general anesthesia with propofol group (Group P, n = 74), anesthesia was induced with 2 mg∙kg-1 propofol and 0.6-0.9 mg∙kg-1 rocuronium. In the general anesthesia with thiopental sodium group (Group T, n = 74), anesthesia was induced with 5 mg∙kg-1 thiopental sodium and 0.6-0.9 mg∙kg-1 rocuronium. Women in the spinal anesthesia group (Group SA, n = 74) were administered 0.5% (10 mg) hypertonic bupivacaine and 10 mcg fentanyl. Results: There were no significant differences between Group SA, Group P, and Group T in terms of delivery time; neonatal 1- and 5-min Apgar scores; neonatal jaundice rates; neonatal systolic, diastolic, or mean blood pressure or peak heart rate; neonatal intensive care requirement; pH, PCO2, PO2 values in cord blood gas; or neonatal glucose and lactate values. The rate of ephedrine use was significantly higher in Group SA than in Group P and Group T. Maternal satisfaction score was higher in Group SA at postoperative 4 hours and in Group P at 24 hours. The number of newborns taken into intensive care unit in Group T was significantly higher in the 1st hour, 4th hour, 5th hour and total. Respectively p value (0.006, 0,048, 0,048, and 0,005). Pain on injection was present in 55% of patients (n = 81), mild in 36% (n = 54), and severe in 18% (n = 27). Myoclonies occurred in 4% of patients (n = 7) and local rash in 6% of patients (n = 10). Differences between formulations did not reach statistical significance. Conclusion: None of the three anesthesia methods showed superiority after elective cesarean delivery. However, spinal anesthesia and general anesthesia with propofol are more appropriate for pregnant women in terms of effects on the neonate.

Effect of anesthetic methods on postoperative CD3+, CD4+ and CD4+CD25+ in patients with lung cancer undergoing radical operation.

Effects of anesthesia methods on immune function in patients with lung cancer undergoing radical operation were investigated. A total of 122 patients undergoing radical resection of lung cancer who were treated in Zhejiang Cancer Hospital from September 2013 to April 2016 were randomly divided into the combined anesthesia group and the intravenous anesthesia group, with 61 cases in each group. The patients in the combined anesthesia group were given intravenous combined epidural anesthesia. Patients in the intravenous anesthesia group were given intravenous anesthesia. The change of CD3+, CD4+ and CD4+CD25+ at time-point T0 (before anesthesia), T1 (the time of anesthesia), T2 (after operation), T3 (24 h after operation), T4 (72 h after operation) were compared between the two groups. The levels of CD3+, CD4+ and CD4+CD25+ at T1, T2, T3 and T4 in the combined anesthesia group were higher than that in the intravenous anesthesia group (P<0.05). Αfter starting anesthesia, the levels of CD3+, CD4+ and CD4+CD25+ began to decrease in both groups. The levels of CD3+, CD4+ and CD4+CD25+ at T2 and T1 were lower than those at T0 (P<0.05). The levels of CD3+, CD4+ and CD4+CD25+ at T2 were lower than T1 (P<0.05). After T3, the levels of CD3+, CD4+ and CD4+CD25+ began to increase in both groups. Τhe levels of CD3+, CD4+ and CD4+CD25+ at T3 and T4 were higher in both groups than those at T2 and T1 (P<0.05), and the levels of CD3+, CD4+ and CD4+CD25+ at T4 were higher in both groups than those at T3, but the levels of CD3+, CD4+ and CD4+CD25+ at T3 and T4 were lower than those at T0 (P<0.05). Intravenous combined epidural anesthesia can maintain a relatively stable immune function compared with simple intravenous anesthesia patients.

Effects of anesthesia methods on insulin, blood glucose, immune and postoperative infection of gastric cancer patients complicated with diabetes mellitus.

Effects of anesthesia methods on insulin, blood glucose, immune and postoperative infection of gastric cancer patients complicated with diabetes mellitus.

Effect of anesthesia methods on postoperative major adverse cardiac events and mortality after non-cardiac surgeries: a systematic review and meta-analysis.

Postoperative major adverse cardiac events (MACEs) are the main cause of postoperative mortality, and controversies exist regarding the effects of anesthesia methods on postoperative MACEs and mortality in high-risk cardiac patients after non-cardiac surgeries. A Meta-analysis about the effect of anesthesia methods on postoperative MACEs and mortality in high-risk cardiac patients undergoing intermediate- or high-risk non-cardiac surgeries was conducted; Chinese databases (SinoMed, CNKI, Wanfang, and VIP) and English databases (Medline, EMBASE, PubMed, Springer, Ovid, the Cochrane Library, and Google scholar) were searched. Twenty-seven randomized controlled trials (RCTs) were included and 35340 patients were involved. The cardiac troponin I level (cTnI) on postoperative day 1 (MD: -0.39, 95% CI: -0.45--0.34, P<0.00001) and the incidence of myocardial ischaemia (OR: 0.43, 95% CI: 0.27-0.68, P=0.0004) within 3 postoperative days were significantly lower after sevoflurane anesthesia than propofol anesthesia. There were no differences in postoperative MACEs or in mortality within either 30 days or 1 year between sevoflurane and propofol anesthesia, or between N2O and non-N2O anesthesia. The cTnI on postoperative day 3 was significantly lower from epidural anesthesia combined with general anesthesia (GA) than from GA alone (MD: -0.61, 95% CI: -0.75--0.47, P<0.00001). However, there were no differences in myocardial infarction or mortality between epidural anesthesia combined with GA and GA alone, or between spinal anesthesia alone and GA alone. Sevoflurane anesthesia, or epidural combined with general anesthesia can provide short-term myocardial protective effect in high-risk cardiac patients undergoing intermediate- or high-risk non-cardiac surgeries.

The effect of anesthesia method on serum level of pro-brain natriuretic Peptide in patients undergoing orthopedic surgery.

Background:Surgical stress response is among the most severe stress tolerated by the patient, which needs suppression by anesthesia.Objectives:We assessed the effect of three methods of anesthesia on postoperative levels of pro-brain natriuretic peptide (pro-BNP) to determine the most effective one in preventing surgical stress response.Patients and Methods:In a randomized clinical trial, 120 patients who were 18 to 65 years old and met inclusion and exclusion criteria were selected and randomly allocated to three groups of 40:Group A, general anesthesia plus epidural catheter; Group B, general anesthesia and intravenous patient-controlled analgesia; and Group C, spinal anesthesia plus intravenous patient-controlled analgesia.Results:There was no difference between three groups for basic characteristics and variables and baseline pro-BNP levels; however, postoperative pro-BNP levels in Groups A, B, and C were respectively63.8 ± 10.1, 83.2 ± 12.3, and 51.5 ± 8.5 ng/L (ANOVA, P = 0.01).Conclusions:The results of the current study suggested that spinal anesthesia plus intravenous patient-controlled analgesia have the most favorable cardiac effects regarding postoperative levels of pro-BNP.

Effect of anesthetic methods on respiratory and lung functions of patients after sequential double lung transplantation

Effect of anesthetic methods on respiratory and lung functions of patients after sequential double lung transplantation

Effect of Anesthetic Methods on Cerebral Oxygen Saturation in Elderly Surgical Patients: Prospective, Randomized, Observational Study

Intraoperative cerebral oxygen desaturation was reported to be associated with postoperative cognitive dysfunction in elderly patients. The effect of the anesthesia method on regional cerebral oxygen saturation (rSO(2)) is still a question under debate. The purpose of this study was to compare the effects of three common anesthesia methods on intraoperative rSO(2) changes in elderly patients. In this prospective randomized clinical trial, 87 patients scheduled for elective transurethral prostatectomy were allocated to receive general inhalational anesthesia (GA group, n = 30), spinal anesthesia (SA group, n = 28), or spinal anesthesia plus sedation with midazolam (SA+S group, n = 29). The numbers of patients showing a decrease in rSO(2) below the baseline value were higher in the SA (92.9 %) and SA+S (100 %) groups than in the GA group (33.3 %). The number of patients with a ≥ 50 % decrease in rSO(2) below baseline was greater in the SA+S (31.0 %) group than in the GA (0 %) or SA (3.6 %) group. During surgery, patients subjected to general anesthesia had higher rSO(2) than those with spinal anesthesia. Blood pressures and heart rates were similar in three groups except 5 and 10 min after anesthesia. Intraoperative SpO(2) was higher in the GA group than in the two spinal anesthesia groups. Spinal anesthesia is associated with more frequent cerebral desaturation than general anesthesia; and it was aggravated when combined with midazolam sedation. The cerebral effects of anesthesia should be considered when managing high-risk elderly patients.

Effects of anesthetic methods on preserving anti-tumor T-helper polarization following hepatectomy

To investigate the impact of different anesthetic techniques on T-helper (Th) cell subsets in hepatocellular carcinoma (HCC) patients undergoing hepatectomy. Sixty-one HCC patients who received hepatectomies were randomized into an epidural combined general anesthesia (G + E; n = 31) or a general anesthesia (G; n = 30) group. Blood samples were obtained the morning before the operation (d0), and on the second (d2) and seventh (d7) day after the operation. Th cell contents were evaluated using flow cytometry, real-time reverse transcription-polymerase chain reaction and enzyme-linked immunosorbent assay. In all 61 patients, Th1 and Th2 cell frequencies, and interferon-γ (IFN-γ) mRNA expression markedly increased on d2, compared to d0. They recovered slightly on d7, and the Th1/Th2 ratio increased markedly on d7, compared with d2. In contrast, Th17, regulatory T cell (Treg), and interleukin-17 (IL-17) levels and FOXP3 mRNA expression showed no significant change on d2, and then markedly decreased on d7. Similarly, plasma IFN-γ concentration on d2 was much higher than that on d0, and then partly recovered on d7. As compared with the G group, in the G + E group, Th1 cell frequencies and the Th1/Th2 ratio were slightly higher on d2 and significantly higher on d7, while Th2, Th17, and Treg cell frequencies were slightly lower on d2, and significantly lower on d7. Consistently, on d7, IFN-γ mRNA and protein levels and the IFN-γ/IL-4 ratio in the G + E group were higher than those in the G group. In contrast, the IL-17 mRNA level, and IL-17 and transforming growth factor-β₁ concentrations in the G + E group were lower than those in the G group. G + E is superior to G in shifting the Th1/Th2 balance towards Th1, while decreasing Th17 and Treg, potentially benefiting HCC patients by promoting anti-tumor Th polarization.

Effect of Anesthetic Methods on Gastrointestinal Bowel Movement after Colon Surgery

Background: Gastrointestinal bowel movements are reduced by opioid-based anesthesia. Remifentanil is commonly used as total intravenous anesthesia. This study compared to the effect of various anesthetic methods on gastrointestinal bowel movement after colon surgery. Methods: Ninety patients were allocated randomly into three groups. Thirty patients received intraoperative inhalation anesthesia (desflurane + , Group I), 30 patients received intraoperative total intravenous anesthesia (propofol + remifentanil, Group II), and 30 patients received intraoperative epidural anesthesia (epidural lidocaine + propofol, Group III). All patients received postoperative epidural analgesia with a mixture of ropivacaine and morphine. The time to the first passage of flatus, hospital stay and visual analog pain scale were recorded. Results: There was no significant difference in first passage of flatus among groups (Group I: 92.7 19.6, Group II: 86.9 19.4, Group III: 81.9 12.8 hours, P = 0.063). There were no significant difference in the hospital stay and visual analog scale among the three groups. Conclusions: Total intravenous anesthesia with remifentanil did not reduce the gastrointestinal bowel movements compared with those of inhalation or epidural anesthesia.

The effect of anesthetic method upon the results of bronchial washing cytology: An analysis of 1,886 cases

The effect of anesthetic method upon the results of bronchial washing cytology: An analysis of 1,886 cases