Monthly Archives: January 2021

Ileal pouch-anal anastomosis (IPAA) for familial adenomatous polyposis (FAP) patients

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Xie M, et al. Does ileoanal pouch surgery increase the risk of desmoid in patients with familial adenomatous polyposis? Int J Colorectal Dis. 2020 Aug;35(8):1599-1605.

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Results: Eight retrospective studies with a total of 1072 patients were identified: 491 underwent IPAA and 581 IRA. There was no significant difference in the incidence of DTs between IPAA and IRA (11.81% vs. 9.47%, OR 0.95, P = 0.85). Meanwhile, the overall complication (42.97% vs. 36.76%, OR 1.32, P = 0.11), incidence of cancer (4.88% vs. 8.37%, OR 0.28, P = 0.26), and overall mortality (0.33% vs. 5.20%, OR 0.49, P = 0.53) were comparable too.

Conclusion: Ileoanal pouch surgery is associated with similar risk of desmoid in patients with FAP after surgery.

Ng KS, Gonsalves SJ, Sagar PM. Ileal-anal pouches: A review of its history, indications, and complications. World J Gastroenterol. 2019 Aug 21;25(31):4320-4342.

As the IPAA celebrated its 40th anniversary in 2018, this review provides a timely outline of its history, indications, and complications. IPAA has undergone significant modification since 1978. For both UC and FAP, IPAA surgery aims to definitively cure disease and prevent malignant degeneration, while providing adequate continence and avoiding a permanent stoma. The majority of patients experience long-term success, but “early” and “late” complications are recognised. Pelvic sepsis is a common early complication with far-reaching consequences of long-term pouch dysfunction, but prompt intervention (either radiological or surgical) reduces the risk of pouch failure. Even in the absence of sepsis, pouch dysfunction is a long-term complication that may have a myriad of causes. Pouchitis is a common cause that remains incompletely understood and difficult to manage at times. 10% of patients succumb to the diagnosis of pouch failure, which is traditionally associated with the need for pouch excision. This review provides a timely outline of the history, indications, and complications associated with IPAA. Patient selection remains key, and contraindications exist for this surgery. A structured management plan is vital to the successful management of complications following pouch surgery.

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Rapid Sequence Intubation

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Groth CM, Acquisto NM, Khadem T. Current practices and safety of medication use during rapid sequence intubation. J Crit Care. 2018 Jun;45:65-70.

“A total of 404 patients from 34 geographically diverse institutions were included (mean age 58 ± 22 years, males 59%, pediatric 8%). During RSI, 21%, 87%, and 77% received pre-induction, induction, and paralysis, respectively. Significant differences in medication use by provider type were seen. Etomidate was administered to 58% with sepsis, but was not associated with adrenal insufficiency. Ketamine was associated with hypotension post-RSI [RR = 1.78 (1.36–2.35)] and use was low with traumatic brain injury/stroke (1.5%). Succinylcholine was given to 67% of patients with baseline bradycardia and was significantly associated with bradycardia post-RSI [RR = 1.81 (1.11–2.94)]. An additional 13% given succinylcholine had contraindications. Sedation practices post-RSI were not consistent with current practice guidelines and most receiving a non-depolarizing paralytic did not receive adequate sedation post-RSI.”

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Postoperative outcomes in surgical COVID-19 patients

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COVIDSurg Collaborative. Mortality and pulmonary complications in patients undergoing surgery with perioperative SARS-CoV-2 infection: an international cohort study. Lancet. 2020 Jul 4;396(10243):27-38. Erratum in: Lancet. 2020 Jun 9.

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Findings: This analysis includes 1128 patients who had surgery between Jan 1 and March 31, 2020, of whom 835 (74·0%) had emergency surgery and 280 (24·8%) had elective surgery. SARS-CoV-2 infection was confirmed preoperatively in 294 (26·1%) patients. 30-day mortality was 23·8% (268 of 1128). Pulmonary complications occurred in 577 (51·2%) of 1128 patients; 30-day mortality in these patients was 38·0% (219 of 577), accounting for 81·7% (219 of 268) of all deaths. In adjusted analyses, 30-day mortality was associated with male sex (odds ratio 1·75 [95% CI 1·28-2·40], p<0·0001), age 70 years or older versus younger than 70 years (2·30 [1·65-3·22], p<0·0001), American Society of Anesthesiologists grades 3-5 versus grades 1-2 (2·35 [1·57-3·53], p<0·0001), malignant versus benign or obstetric diagnosis (1·55 [1·01-2·39], p=0·046), emergency versus elective surgery (1·67 [1·06-2·63], p=0·026), and major versus minor surgery (1·52 [1·01-2·31], p=0·047).

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Article of interest: Assessment of morbidity and mortality after esophagectomy using a modified frailty index

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Hodari A, et al. Assessment of morbidity and mortality after esophagectomy using a modified frailty index. Ann Thorac Surg. 2013 Oct;96(4):1240-1245.

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Results: A total of 2,095 patients were included in the analysis. Higher frailty scores were associated with a statistically significant increase in morbidity and mortality. A frailty score of 0, 1, 2, 3, 4, and 5 had associated morbidity rates of 17.9% (142 of 795 patients), 25.1% (178 of 710 patients), 31.4% (126 of 401 patients), 34.4% (48 of 140 patients), 44.4% (16 of 36 patients), and 61.5% (8 of 13 patients), respectively. A frailty score of 0, 1, 2, 3, 4, and 5 had associated mortality rates of 1.8% (14 of 795 patients), 3.8% (27 of 710 patients), 4% (16 of 401 patients), 7.1% (10 of 140 patients), 8.3% (3 of 36 patients), and 23.1% (3 of 13 patients), respectively. When using multivariate logistic regression for mortality comparing age, functional status, prealbumin, emergency surgery, wound class, American Society of Anesthesiologists score, and sex, only age and frailty were statistically significant. The odds ratio was 31.84 for frailty (p = 0.015) and 1.05 (p = 0.001) for age.

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Cancer risk in Peutz-Jeghers syndrome

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Peutz-Jeghers syndrome (PJS) is an autosomally dominant disorder associated with mutations in tumor suppressor gene STK11, and characterized by gastrointestinal polyposis, mucocutaneous pigmentation, and cancer predisposition:

  • up to 93% lifetime risk of any cancer in affected individuals, and cancer often develops around age 40-49 years; associated cancers include cancers of the small bowel, stomach, pancreas, breast, ovary, cervix, lung, and testes
  • colon cancer risk is reported at 39%, and typical age of colorectal cancer diagnosis is 42-46 years in affected patients
  • rarely, PJS may be idiopathic and not associated with STK11 mutations

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Percutaneous Hepatic Perfusion (PHP) with Melphalan

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Karydis I, Gangi A, Wheater MJ, et al. Percutaneous hepatic perfusion with melphalan in uveal melanoma: A safe and effective treatment modality in an orphan disease. J Surg Oncol. 2018 May;117(6):1170-1178.

Figure 1. Melphalan percutaneous hepatic perfusion (M-PHP) circuit.

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Results: A total of 51 patients received 134 M‐PHP procedures (median of 2 M‐PHPs). 25 (49%) achieved a partial (N = 22, 43.1%) or complete hepatic response (N = 3, 5.9%). In 17 (33.3%) additional patients, the disease stabilized for at least 3 months, for a hepatic disease control rate of 82.4%. After median follow‐up of 367 days, median overall progression free (PFS) and hepatic progression free survival (hPFS) was 8.1 and 9.1 months, respectively and median overall survival was 15.3 months. There were no treatment related fatalities. Non‐hematologic grade 3‐4 events were seen in 19 (37.5%) patients and were mainly coagulopathic (N = 8) and cardiovascular (N = 9).

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Article of interest: Comparison of three methods of liver retraction in laparoscopic Roux-en-Y gastric bypass

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Goel R, et al. Randomized controlled trial comparing three methods of liver retraction in laparoscopic Roux-en-Y gastric bypass. Surg Endosc. 2013 Feb;27(2):679-84.

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Background: This study aimed to evaluate differences between three methods of liver retraction during laparoscopic Roux-en-Y Gastric bypass (LRYGB) and to compare novel liver retraction techniques with the traditional mechanical liver retractor in a randomized controlled trial.

Methods: In this study, 60 obese patients (26 males and 34 females) who underwent LRYGB between January and July 2010 were randomized to one of three groups (20 in each): group 1 (Nathanson liver retractor), group 2 (liver suspension tape), and group 3 (V-shaped liver suspension technique [V-LIST]). Data regarding demographics (age, sex, body mass index); liver function test (LFT) just before surgery; postoperative results immediately, then 18 h, 1 week, and 1 month after surgery; operative data, and visual analog scale (VAS) for pain on postoperative days (PODs) 1 and 2 were calculated and analyzed.

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