Article of interest: Intracorporeal and extracorporeal anastomosis for robotic-assisted and laparoscopic right colectomy: short-term outcomes of a multi-center prospective trial.

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Cleary RK, Silviera M, Reidy TJ, et al. Intracorporeal and extracorporeal anastomosis for robotic-assisted and laparoscopic right colectomy: short-term outcomes of a multi-center prospective trial. Surg Endosc. 2021 Nov 1. doi: 10.1007/s00464-021-08780-9.

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Results: There were 280 patients: 156 in the robotic assisted and laparoscopic intracorporeal anastomosis (IA) group and 124 in the robotic assisted and laparoscopic extracorporeal anastomosis (EA) group. The EA group was older (mean age 67 vs. 65 years, p = 0.05) and had fewer white (81% vs. 90%, p = 0.05) and Hispanic (2% vs. 12%, p = 0.003) patients. The EA group had more patients with comorbidities (82% vs. 72%, p = 0.04) while there was no significant difference in individual comorbidities between groups. IA was associated with fewer conversions to open and hand-assisted laparoscopic approaches (p = 0.007), shorter extraction site incision length (4.9 vs. 6.2 cm; p ≤ 0.0001), and longer operative time (156.9 vs. 118.2 min). Postoperatively, patients with IA had shorter time to first flatus, (1.5 vs. 1.8 days; p ≤ 0.0001), time to first bowel movement (1.6 vs. 2.0 days; p = 0.0005), time to resume soft/regular diet (29.0 vs. 37.5 h; p = 0.0014), and shorter length of hospital stay (median, 3 vs. 4 days; p ≤ 0.0001). Postoperative complication rates were comparable between groups.

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The use of mesh reinforcement in hiatal hernia repair

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Rausa E, et al. Prosthetic Reinforcement in Hiatal Hernia Repair, Does Mesh Material Matter? A Systematic Review and Network Meta-Analysis. J Laparoendosc Adv Surg Tech A. 2021 Oct;31(10):1118-1123.

Results: Seventeen articles based on 1857 patients were enrolled in this article. The point estimation showed that when compared against the control group (NAM), the HH recurrence risk in AM and cruroplasty group was higher (relative ratio [RR] 2.3; CrI 0.8-6.3, RR 3.6; CrI 2.0-8.3, respectively). Postoperative complication rates were alike in all groups. The prevalence of mesh erosion after HHR is low.

Conclusions: This network meta-analysis showed that prosthetic reinforcement significantly reduced HH recurrence when compared with cruroplasty alone. However, there is not enough evidence to compare different mesh compositions.

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Acute limb ischemia and antithrombotic therapy in COVID-19 patients

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Galyfos G, et al. Acute limb ischemia among patients with COVID-19 infection. J Vasc Surg. 2022 Jan;75(1):326-342. doi: 10.1016/j.jvs.2021.07.222. Epub 2021 Aug 12.

Results: In total, 34 studies (19 case reports and 15 case series/cohort studies) including a total of 540 patients (199 patients were eligible for analysis) were evaluated. All studies were published in 2020. Mean age of patients was 61.6 years (range, 39-84 years; data from 32 studies) and 78.4% of patients were of male gender (data from 32 studies). There was a low incidence of comorbidities: arterial hypertension, 49% (29 studies); diabetes mellitus, 29.6% (29 studies); dyslipidemia, 20.5% (27 studies); chronic obstructive pulmonary disease, 8.5% (26 studies); coronary disease, 8.3% (26 studies); and chronic renal disease, 7.6% (28 studies). Medical treatment was selected as first-line treatment for 41.8% of cases. Pooled mortality rate among 34 studies reached 31.4% (95% confidence interval [CI], 25.4%%-37.7%). Pooled amputation rate among 34 studies reached 23.2% (95% CI, 17.3%-29.7%). Pooled clinical improvement rate among 28 studies reached 66.6% (95% CI, 55.4%%-76.9%). Pooled reoperation rate among 29 studies reached 10.5% (95% CI, 5.7%%-16.7%). Medical treatment was associated with a higher death risk compared with any intervention (odds ratio, 4.04; 95% CI, 1.075-15.197; P = .045) although amputation risk was not different between the two strategies (odds ratio, 0.977; 95% CI, 0.070-13.600; P = .986) (data from 31 studies).

Conclusions: SARS-CoV-2 infection is associated with a high risk for thrombotic complications, including ALI. COVID-associated ALI presents in patients with a low incidence of comorbidities, and it is associated with a high mortality and amputation risk. Conservative treatment seems to have a higher mortality risk compared with any intervention, although amputation risk is similar.

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Postoperative complications of patients during the COVID-19 pandemic.

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Deng JZ, et al. The Risk of Postoperative Complications After Major Elective Surgery in Active or Resolved COVID-19 in the United States. Ann Surg. 2022 Feb 1;275(2): 242-246.

Results: Of the 5479 patients who met study criteria, patients with peri-Covid-19 had an elevated risk of developing postoperative pneumonia [adjusted odds ratio (aOR), 6.46; 95% confidence interval (CI): 4.06-10.27], respiratory failure (aOR, 3.36; 95% CI: 2.22-5.10), pulmonary embolism (aOR, 2.73; 95% CI: 1.35-5.53), and sepsis (aOR, 3.67; 95% CI: 2.18-6.16) when compared to pre-Covid-19 patients. Early post-Covid-19 patients had an increased risk of developing postoperative pneumonia when compared to pre-Covid-19 patients (aOR, 2.44; 95% CI: 1.20-4.96). Late post-Covid-19 patients did not have an increased risk of postoperative complications when compared to pre-Covid-19 patients.

Conclusions: Major, elective surgery 0 to 4 weeks after SARS-CoV-2 infection is associated with an increased risk of postoperative complications. Surgery performed 4 to 8 weeks after SARS-CoV-2 infection is still associated with an increased risk of postoperative pneumonia, whereas surgery 8 weeks after Covid-19 diagnosis is not associated with increased complications.

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World Health Organization: In the presence of drains, does prolonged antibiotic prophylaxis prevent SSI?

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World Health Organization. Summary of a systematic review on antimicrobial prophylaxis in the presence of a drain and wound drain removal. WHO Surgical Site Infection Prevention Guidelines, Web Appendix 27 (30p.).

Summary: In the WHO SSI prevention guidelines, one of the PICO questions addressed is:

In the presence of drains, does prolonged antibiotic prophylaxis prevent SSI?

  • Population: inpatients and outpatients of any age undergoing a surgical
    operation (any type of procedure) with the presence of postoperative drainage
  • Intervention: prolonged antibiotic prophylaxis postoperatively
  • Comparator: single-dose antibiotic prophylaxis (or repeated intraoperatively
    according to the duration of the operation)
  • Outcomes: SSI, SSI-attributable mortality

Their findings are quoted below:

Seven RCTs were identified with an SSI outcome comparing prolonged antibiotic prophylaxis in the presence of a wound drain vs. single-dose perioperative prophylaxis, possibly repeated intraoperatively according to the duration of the procedure. The number of days for antibiotic prophylaxis prolongation in the postoperative period varied among studies. Three studies prolonged antibiotic administration until the wound drain was removed. In the remaining trials, patients continued intravenous administration for 3 or 5 days. Included patients were adults undergoing several types of surgical procedures (general surgery, kidney transplantation, and pilonidal sinus surgery). One trial evaluated whether prolonged antibiotic prophylaxis reduced the risk of infectious complications for patients undergoing elective thoracic surgery with tube thoracostomy. The antibiotic was continued for 48 hours after the procedure or until all thoracostomy tubes were removed, whichever came first.

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High impact complications after Whipple procedure

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Mirrielees JA, et al. Pancreatic Fistula and Delayed Gastric Emptying Are the Highest-Impact Complications After Whipple. J Surg Res. 2020 Jun;250:80-87.

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Results: About 10,922 patients undergoing pancreaticoduodenectomy were included for analysis. The most common postoperative complications were DGE (17.3%), POPF (10.1%), incisional SSI (10.0%), and organ/space SSI (6.2%). POPF and DGE were the only complications that demonstrated sizable effects for all clinical and resource utilization outcomes studied. Other complications had sizable effects for only a few of the outcomes or had small effects for all the outcomes.

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Lithotomy-related complications in the lower limbs after colorectal surgery

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Sajid MS, Shakir AJ, Khatri K, Baig MK. Lithotomy-related neurovascular complications in the lower limbs after colorectal surgery. Colorectal Dis. 2011 Nov;13(11):1203-13. Full-text for Emory users.

Results: LRNVC after prolonged lithotomy position during colorectal surgery can be classified into vascular, neurological and neurovascular combined. Compartment syndrome (CS) is the most common clinical presentation. Seven case reports and 10 case series on 34 patients (27 men, 6 women) with CS have been reported. Risk factors included the lithotomy position and duration of surgery of more than 4 h.

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