A clinical study of efficacy of polyglycolic acid patch in surgery for pneumothorax:a systematic review and meta-analysis.
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ABSTRACT:
SUBMITTER: Mao Y
PROVIDER: S-EPMC7251708 | biostudies-literature | 2020 May
REPOSITORIES: biostudies-literature
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A clinical study of efficacy of polyglycolic acid patch in surgery for pneumothorax:a systematic review and meta-analysis.
Mao Yuang Y Zhang Zulei Z Zeng Weibiao W Zhang Wenxiong W Zhang Jianyong J You Guangmiao G Wei Yiping Y
Journal of cardiothoracic surgery 20200527 1
<h4>Objectives</h4>A polyglycolic acid (PGA) patch is often used in pulmonary bullae resection, but consensus has not been reached on its effect on patient recovery. The aim of the study is to conduct a systematic review and meta-analysis of studies of polyglycolic acid for bullectomy.<h4>Methods</h4>A comprehensive literature search was performed using ScienceDirect, EMBASE, Ovid MEDLINE, PubMed, The Cochrane Library, Scopus, and Google Scholar. Clinical trials that compared PGA versus non-PGA ...[more]
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Project description:BackgroundWith the adoption of high-tech thoracoscopic surgical instruments, video-assisted thoracoscopic surgery (VATS) has gradually replaced traditional thoracotomy and is used in the clinical treatment of spontaneous pneumothorax.MethodsThe composite logic retrieval and Boolean logic retrieval methods were adopted for this meta-analysis. Databases such as PubMed, Medline, Cochrane Library, CNKI, Wanfang, VIP, and Google Scholar were searched using the combination of search terms "Video-assisted thoracoscopic surgery", "spontaneous pneumothorax", and "thoracotomy". Literatures which used video-assisted thoracoscopic surgery for spontaneous pneumothorax as the experimental group were screened. The software RevMan 5.3 provided by the Cochrane system was employed for meta-analysis.ResultsA total of 12 studies were included. After the meta-analysis, heterogeneity testing of the operation time in 8 studies showed that Tau2 =29.99, Chi2 =16.99, degrees of freedom (df) =7, I2=59%>50%, and the operation time of participants in the experimental group was considerably inferior to that of control group. The mean difference (MD) was -31.02, 95% confidence interval (95% CI: -36.07 to -25.97), Z=12.03, P<0.0001. The heterogeneity test of the length of hospital stay in 9 studies showed that Tau2 =4.41, Chi2 =122.58, df =8, I2=59%>50%, P<0.01, and the length of hospital stay of participants in the experimental group was remarkably shorter than that of the control group. The MD was -7.29, 95% CI: (-8.76 to -5.82), Z=9.74, and P<0.01. The heterogeneity test of the bleeding volume in 6 studies showed that Tau2 =191.74, Chi2 =27.65, df =5, I2=82%>50%, P<0.01, and the bleeding volume of participants in the experimental group was remarkably lower in contrast to that of the control group. The MD was -65.48, 95% CI: (-77.84 to -53.13), Z=10.39, and P<0.01. The heterogeneity test of the chest tube removal time in 7 studies showed that Tau2 =0.29, Chi2 =28.27, df =6, I2=79%>50%, P<0.05, and the chest tube removal time of participants in the experimental group was substantially lower in contrast to that of the control group. The MD was -3.10, 95% CI: (-3.56 to -2.64), Z=13.30, P<0.01.DiscussionThis meta-analysis confirmed that VATS for spontaneous pneumothorax is better than other surgical methods.
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Project description:Postoperative pancreatic fistula (POPF) is the most common and intractable complication after partial pancreatectomy, with an incidence of 13% to 64%. Polyglycolic acid (PGA) mesh is a new technique that is designed to prevent POPF, and its effect has been evaluated in several randomized controlled trials and some retrospective cohort studies. In this study, we systematically and comprehensively analyzed the efficacy of PGA mesh based on reported studies.We searched Medline, Embase, and Cochrane Library databases in English between January 2010 and October 2019. Analysis was performed by using Review Manger 5.3 software.Three RCTs and 8 nonrandomized studies were eligible with a total of 1598 patients including 884 PGA group patients and 714 control group patients. For pancreatoduodenectomy (PD), distal pancreatectomy (DP), and the 2 partial pancreatectomy (PD or DP), we found significant statistical differences in overall POPF (relative risk [RR] = 0.75, 95% confidence interval [CI] = 0.61-0.91, P = .004; RR = 0.74, 95% CI = 0.57-0.96, P = .02; RR = 0.76, 95% CI = 0.64-0.89, P = .0009, respectively) and clinical pancreatic fistula (PF) (RR = 0.5, 95% CI = 0.37-0.68, P < .00001; RR = 0.31, 95% CI = 0.21-0.46, P < .00001; RR = 0.41, 95% CI = 0.32-0.52, P < .00001, respectively) in favor of PGA. For partial pancreatectomy, significant statistical differences were found in overall complications (RR = 0.77, 95% CI: 0.67-0.88, P = .0002) and estimated blood loss (weighted mean difference [WMD] = -53.58; 95% CI: -101.20 to -5.97, P = .03) in favor of PGA. We did not find significant differences regarding operative time (WMD = -8.86; 95% CI: -27.59 to 9.87, P = .35) and hospital stay (WMD = -2.73; 95% CI: -7.53 to 2.06, P = .26).This meta-analysis shows the benefits of the PGA mesh technique regarding POPF, clinical PF, and postoperative complications. This still needs to be verified by more randomized control trials.
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Project description:Background:Uniportal video-assisted thoracoscopic surgery (VATS) for primary spontaneous pneumothorax (PSP) has demonstrated acceptable surgical outcomes while being less invasive than other surgical techniques. Fibrin glue-covered absorbable mesh has been applied to reinforce resected regions to prevent recurrence. We aimed to evaluate the outcomes of this technique without pleural abrasion in uniportal VATS for PSP. Methods:Between July 2012 and May 2017, 54 consecutive patients with PSP underwent uniportal VATS by a combination technique using a polyglycolic acid (PGA) sheet and fibrin glue without mechanical pleural abrasion. A bilateral approach was performed in five additional patients; thus, postoperative surgical outcomes of a total of 59 cases were analyzed. For subgroup analysis, we first divided the patients into a group of PGA sheet coverage, followed by additional fibrin glue application (n=36, Group A) and a group of fibrin glue injection prior to PGA sheet coverage (n=23, Group B). We reviewed the data and compared surgical outcomes to evaluate the efficacy of the application techniques. Results:There was a total 59 cases (43 males) with a median age of 18.0 years (range, 12-50 years). Demographic data revealed no differences between the two groups. There was no significant difference in operation time (41.8±10.1 vs. 41.3±8.8 minutes, P=0.821), length of hospital stay (4.1±1.3 vs. 3.8±1.1 days, P=0.411), or chest tube in-dwelling time (2.6±0.9 vs. 2.2±0.7 days, P=0.078) in the additional glue application and glue injection groups. Recurrence rates revealed no significant difference [2/36 (5.5%) vs. 1/23 (4.3%), P=0.837] between the two groups. There were neither conversions to multi-port VATS nor perioperative complications during a median follow-up period of 21.5 months. Conclusions:The combination method of the absorbable PGA sheet with fibrin glue established satisfactory outcomes without increasing morbidities, regardless of application technique. This simple technique is an effective procedure that does not require mechanical pleural abrasion or pleurodesis to prevent postoperative recurrences when conducting uniportal VATS for PSP.
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Project description:BackgroundThe presence of free air in the pleural space of lungs is termed pneumothorax and in individuals with underlying lung disease, it is known as secondary spontaneous pneumothorax. The incidence of spontaneous pneumothorax is 16 to 18 per lakh population. The most common causes for secondary spontaneous pneumothorax are chronic obstructive pulmonary disease (COPD), tuberculosis (TB), human immunodeficiency virus (HIV), cystic fibrosis of lung, and history of smoking. The clinical signs and symptoms include acute dyspnea, thoracic pain and cough. Persistent air leaks are frequently seen in secondary spontaneous pneumothorax. The incidence of persistent air leaks in post-surgical patients varies from 8% to 43%. The aim of the study is to compare the efficacy of doxycycline, tetracycline, and minocycline to other pleurodesis agents in the cessation of air leaks and reducing the recurrence of pneumothorax in adults with persistent air leaks following secondary spontaneous pneumothorax.MethodsA systematic search from PubMed, Cochrane, Embase, Web of Science, and clinical trials.gov was performed. After screening, three studies were selected which includes 2 randomized controlled trials (RCTs) and 1 prospective study with a pooled sample size of 168.ResultsThe mean age and standard deviation of the study participants was 50.57±13.23 years. The success rate of autologous blood patch pleurodesis (ABPP) was reported as 94.70% followed by doxycycline with 84.20%, talc with 84% and tetracycline 63%. The mean time of cessation of air leaks was lowest with doxycycline (11 and 36 hours) and ABPP (24 and 27 hours). Furthermore, ABPP is reported having fewer complications when compared with other agents.ConclusionsAmong chemical pleurodesis agents, doxycycline is reported to be having higher success rate and less recurrences. However, it is found to be inferior when compared directly to ABPP.
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Project description:ObjectivesPerioperative bleeding poses a significant issue during thoracic surgery. Tranexamic acid (TXA) is one of the most commonly used antifibrinolytic agents for surgical patients. The purpose of the current study was designed to investigate the efficacy and safety of TXA in patients undergoing thoracic surgery.MethodsAn extensive search of PubMed, Web of Science (WOS), Cochrane Library (trials), Embase, OVID, China National Knowledge Infrastructure (CNKI), Wanfang, and VIP electronic databases was performed to identify studies published between the inception of these databases and March 2023. The primary outcomes included perioperative blood loss and blood transfusions. Secondary outcomes of interest included the length of stay (LOS) in hospital and the incidence of thromboembolic events. Weighted mean differences (WMDs) or odds ratios (OR) with 95% confidence intervals (CI) were used to determine treatment effects for continuous and dichotomous variables, respectively.ResultsFive qualified studies including 307 thoracic surgical patients were included in the current study. Among them, 65 patients were randomly allocated to the group receiving TXA administration (the TXA group); the other 142 patients were assigned to the group not receiving TXA administration (the control group). TXA significantly reduced the quantity of hemorrhage in the postoperative period (postoperative 12h: WMD = -81.90 ml; 95% CI: -139.55 to -24.26; P = 0.005; postoperative 24h: WMD = -97.44 ml; 95% CI: -121.44 to -73.44; P< 0.00001); The intraoperative blood transfusion volume (WMD = -0.54 units; 95% CI: -1.06 to -0.03; P = 0.04); LOS in hospital (WMD = -0.6 days; 95% CI: -1.04 to -0.16; P = 0.008); And there was no postoperative thromboembolic event reported in the included studies.ConclusionsThe present study demonstrated that TXA significantly decreased blood loss within 12 and 24 hours postoperatively. A qualitative review did not identify elevated risks of safety outcomes such as thromboembolic events. It also suggested that TXA administration was associated with shorter LOS in hospital as compared to control. To validate this further, additional well-planned and adequately powered randomized studies are necessary.
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Project description:ObjectivePatients awaiting cardiac surgery seem to benefit from exercise-based prehabilitation, but the impact on different perioperative outcomes compared with standard care is still unclear.DesignEligible nonrandomized/randomized controlled studies investigating the impact of exercise-based prehabilitation in adults scheduled for elective cardiac surgery were searched on December 16, 2020, from electronic databases, including MEDLINE, CENTRAL, and CINAHL. The data were pooled and a meta-analysis was conducted.ResultsOf 1490 abstracts, six studies ( n = 665) were included into the review and meta-analysis. At postintervention interval and at postsurgery interval, 6-min-walking distance improved significantly in exercise-based prehabilitation group compared with controls (mean difference, 75.4 m; 95% confidence interval, 13.7 to 137.1 m, P = 0.02, and 30.5 m, 95% confidence interval, 8.5 to 52.6 m, P = 0.007, respectively). Length of hospital stay was significantly shorter in exercise-based prehabilitation group (mean difference, -1.00 day; 95% confidence interval, -1.78 to -0.23 day, P = 0.01). Participation in exercise-based prehabilitation revealed a significant decrease in the risk of postoperative atrial fibrillation in patients 65 yrs or younger (risk ratio, 0.34; 95% confidence interval, 0.14 to 0.83, P = 0.02).ConclusionsThe participation in exercise-based prehabilitation significantly improves postintervention and postsurgery 6-min walking distance, length of hospital stay, and decreases the risk of postoperative atrial fibrillation in patients 65 yrs or younger compared with controls.
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