BACKGROUND:

Pancreaticoduodenectomy (PD) is a major intervention in digestive surgery. Although its mortality is currently low in experienced centers, morbidity remains high, dominated by a pancreatic fistula.

AIMS:

The aim of this study was to analyze the risk factors for postoperative pancreatic fistula (POPF) after PD.

METHODS:

A retrospective study was conducted at the General Surgery Department of Habib Thameur University Hospital in Tunis for 12 years (2010–2021). All patients who underwent PD were included regardless of indications.

RESULTS:

Our series comprised 50 patients, consisting of 27 men and 23 women. The rate of a pancreatic fistula was 32% (16 patients) with an average time of onset of 5 days (1–12 days). It was observed as a biochemical leak (grade A) in 1 patient (2%), pancreatic fistula grade B in 5 patients (10%), and pancreatic fistula grade C in 10 patients (20%). Pancreatic fistula was responsible for 10% of postoperative mortality (five patients). Univariate analysis showed a statistically significant correlation between POPF and the following factors: diameter of the main pancreatic duct ≤3 mm (p=0.036, p<0.05), soft texture of the pancreas (p=0.025, p<0.05), pancreaticojejunostomy by two semi-overlapping sutures (p=0.049, p<0.05), and fasting blood glucose level ≤8 mmol/l (p=0.025, p<0.05). Multivariate analysis showed that soft pancreatic texture was the only independent risk factor for POPF (p=0.02, p<0.05).

CONCLUSION:

The soft texture of the pancreas is the only independent risk factor for POPF. Prospective randomized studies are still needed to accurately determine the true risk factors for a pancreatic fistula after PD.

BACKGROUND:

Surgery is associated with a high risk for morbidity and mortality, particularly when performed in critical patients requiring intensive care unit (ICU) admission.

AIM:

The aim of this study was to investigate risk factors associated with adverse outcomes in a large cohort of patients admitted to a single-center ICU after abdominal surgery.

METHODS:

All patients admitted to a surgical ICU for postoperative care, from January 2016 to December 2022, were retrospectively evaluated. Data concerning demographics and clinical and perioperative variables were compared to in-hospital mortality.

RESULTS:

A total of 1,717 patients (1,096 women, mean age: 61±17 years) were evaluated. Most of the patients underwent colorectal (n=499), pancreatic (n=148), biliary tract (n=147), and gastric surgeries (n=145); liver resection (n=131); and several gynecological or obstetric procedures (n=250). Only 52.3% of these surgical procedures were elective. The mean Charlson Comorbidity Index (CCI) and Acute Physiology and Chronic Health Evaluation II (APACHE II) scores were 4.4±2.8 and 10.1±5.6, respectively. Mortality was observed in 158 (9.2%) patients. Age (70.4±14.3 vs. 60.6±17.1 years in survivors, p=0.002), CCI (6.1±2.5 vs. 4.3±2.8 in survivors, p=0.005), type of surgery (13.6% in emergent/urgent vs. 5.5% in elective surgeries, p<0.001), and APACHE II score (16.7±8.4 vs. 9.4±4.7 in survivors, p<0.0001) were associated with mortality on univariate analysis, but only CCI, type of surgery, and APACHE II score were independently correlated with a higher risk of death on multivariate analysis.

CONCLUSIONS:

Mortality after abdominal surgery in patients requiring postoperative ICU support is less than 10% nowadays, and it is independently associated with urgent or emergent surgeries, disease severity, and comorbidity.

BACKGROUND:

Hepatectomy is historically associated with higher morbidity and mortality, related to intraoperative blood loss and biliary fistulas. Technological advances and improvements in surgical and anesthetic techniques have led to greater safety in performing these surgeries.

AIMS:

The aim of this study was to analyze morbidity and mortality in patients undergoing hepatectomy.

METHODS:

Retrospective cohort study of patients undergoing liver resections. The type of hepatectomy, indications, need for intraoperative blood transfusion, hospital stay, complications, and postoperative mortality were analyzed.

RESULTS:

A total of 48 hepatectomies were performed during the studied period, the most common being 26 (54.16%) major hepatectomies, distributed among 13 (50%) left hepatectomies, 11 (42.30%) right hepatectomies, and 2 (7.70%) others. In total, 24 (45.84%) minor hepatectomies were performed, 11 (50%) mono segmentectomies, and 5 (22.72%) left lateral hepatectomies. The main indications for resection in benign diseases were 6 (12.50%) neotropical hepatic hydatidosis, five (10.41%) intrahepatic lithiasis, and in primary malignancies, 9 (18.75%) hepatocarcinomas. There was no need for an intraoperative blood transfusion. Hospital stays after surgery ranged from 2 to 40 days (average=7 days), and 41 (85.42%) patients went to the ICU in the first 72 h after surgery. In total, 9 (18.75%) patients developed postoperative complications. Overall mortality was 2.08%.

CONCLUSIONS:

Hepatocellular carcinoma and neotropical hydatidosis were the main diseases with surgical indication, and major hepatectomies were the most performed procedures. Morbidity and mortality were in line with results from major global centers.

ABSTRACT

BACKGROUND:

The laparoscopic approach considerably reduced the morbidity of colorectal surgery when compared to the open approach. Among its benefits, we can highlight less intraoperative bleeding, early oral intake, lower rates of surgical site infection, incisional hernia, and postoperative pain, and earlier hospital discharge.

AIMS:

To compare the perioperative morbidity of right versus left colectomy for cancer and the quality of laparoscopic oncologic resection.

METHODS:

Retrospective analysis of patients submitted to laparoscopic right and left colctomy between 2006 and 2016. Postoperative complications were classified using the Clavien-Dindo scale, 30 days after surgery.

RESULTS:

A total of 293 patients were analyzed, 97 right colectomies (33.1%) and 196 left colectomies (66.9%). The averageage was 62.8 years. The groups were comparable in terms of age, comorbidities, body mass index, and the American Society of Anesthesiology (ASA) classification. Preoperative transfusion was higher in the right colectomy group (5.1% versus 0.4%, p=0.004, p<0.05). Overall, 233 patients (79.5%) had no complications. Complications found were grade I and II in 62 patients (21.1%) and grade III to V in 37 (12.6%). Twenty-three patients (7.8%) underwent reoperation. The comparison between left and right colectomy was not statistically different for operative time, conversion, reoperation, severe postoperative complications, and length of stay. The anastomotic leak rate was comparable in both groups(5.6% versus 2.1%, p=0.232, p>0.05). The oncological results were similar in both surgeries. In multiple logistic regression, ASA statistically influenced the worst results (≥ III; p=0.029, p<0.05).

CONCLUSIONS:

The surgical and oncological results of laparoscopic right and left colectomies are similar, making this the preferred approach for both procedures.

ABSTRACT

BACKGROUND:

Minimally invasive distal pancreatectomy (MIDP) is associated with less blood loss and faster functional recovery. However, the benefits of robotic assisted distal pancreatectomy (RDP) over laparoscopic distal pancreatectomy (LDP) are unknown.

AIMS:

To compare RDP versus LDP for surgical treatment of benign lesions, pre-malignant and borderline malignant pancreatic neoplasias.

METHODS:

This is a retrospective study comparing LDP with RDP. Main outcomes were overall morbidity and overall costs. Secondary outcomes were pancreatic fistula (PF), infectious complications, readmission, operative time (OT) and length of hospital stay (LOS).

RESULTS:

Thirty patients submitted to LDP and 29 submitted to RDP were included in the study. There was no difference regarding preoperative characteristics. There was no difference regarding overall complications (RDP – 72,4% versus LDP – 80%, p=0,49). Costs were superior for patients submitted to RDP (RDP=US$ 6,688 versus LDP=US$ 6,149, p=0,02), mostly due to higher costs of surgical materials (RDP=US$ 2,364 versus LDP=1,421, p=0,00005). Twenty-one patients submitted to RDP and 24 to LDP developed pancreatic fistula (PF), but only 4 RDP and 7 LDP experienced infectious complications associated with PF. OT (RDP=224 min. versus LDP=213 min., p=0.36) was similar, as well as conversion to open procedure (1 RDP and 2 LDP).

CONCLUSIONS:

The postoperative morbidity of robotic distal pancreatectomy is comparable to laparoscopic distal pancreatectomy. However, the costs of robotic distal pancreatectomy are slightly higher.

BACKGROUND:

The incidence of esophageal cancer is high in some regions and the surgical treatment requires reference centers, with high volume, to make surgery feasible.

AIMS:

To evaluate patients undergoing minimally invasive esophagectomy by thoracoscopy in prone position for the treatment of esophageal cancer and to recognize the experience acquired over time in our service after the introduction of this technique.

METHODS:

From January 2012 to August 2021, all patients who underwent the minimally invasive esophagectomy for esophageal cancer were retrospectively analyzed. In order to assess the factors associated with the predefined outcomes as fistula, pneumonia, and intrahospital death, we performed univariate and multivariate logistic regression analyses, accounting for age as an important factor.

RESULTS:

Sixty-six patients were studied, with mean age of 59.5 years. The main histological type was squamous cell carcinoma (81.8%). The incidence of postoperative pneumonia and fistula was 38% and 33.3%, respectively. Eight patients died during this period. The patient's age, T and N stages, the year the procedure was performed, and postoperative pneumonia development were factors that influenced postoperative death. There was a 24% reduction in the chance of mortality each year, associated with the learning curve of our service.

CONCLUSIONS:

The present study presented the importance of the team's experience and the concentration of the treatment of patients with esophageal cancer in reference centers, allowing to significantly improve the postoperative outcomes.

ABSTRACT - BACKGROUND:

Colorectal cancer generally metastasizes to the liver. Surgical resection of liver metastasis, which is associated with systemic chemotherapy, is potentially curative, but many patients will present recurrence. In selected patients, repeated hepatectomy is feasible and improves overall survival.

AIM:

This study aimed to analyze patients with colorectal liver metastasis (CRLM) submitted to hepatectomy in three centers from Rio de Janeiro, over the past 10 years, by comparing the morbidity of first hepatectomy and re-hepatectomy.

METHODS:

From June 2009 to July 2020, 192 patients with CRLM underwent liver resection with curative intent in three hospitals from Rio de Janeiro Federal Health System. The data from patients, surgeries, and outcomes were collected from a prospectively maintained database. Patients submitted to first and re-hepatectomies were classified as Group 1 and Group 2, respectively. Data from groups were compared and value of p<0.05 was considered significant.

RESULTS:

Among 192 patients, 16 were excluded. Of the remaining 176 patients, 148 were included in Group 1 and 28 were included in Group 2. Fifty-five (37.2%) patients in Group 1 and 13 (46.5%) in Group 2 presented postoperative complications. Comparing Groups 1 and 2, we found no statistical difference between the cases of postoperative complications (p=0.834), number of minor (p=0.266) or major (p=0.695) complications, and deaths (p=0.407).

CONCLUSIONS:

No differences were recorded in morbidity or mortality between patients submitted to first and re-hepatectomies for CRLM, which reinforces that re-hepatectomy can be performed with outcomes comparable to first hepatectomy.

Background:

Hepatectomies have been increasingly recommended and performed in Brazil; they present great differences related to immediate complications.

Aim:

Assessing the immediate postoperative complications in a series of 88 open liver resections.

Method:

Prospective database of patients subjected to consecutive hepatectomies over nine years. The post-hepatectomy complications were categorized according to the Clavien-Dindo classification; complications presenting grade equal to or greater than 3 were considered major complications. Hepatic resections involving three or more resected liver segments were considered major hepatectomies.

Results:

Eighty-four patients were subjected to 88 hepatectomies, mostly were minor liver resections (50 cases, 56.8%). Most patients had malignant diseases (63 cases; 71.6%). The mean hospitalization time was 10.9 days (4-43). Overall morbidity and mortality rates were 37.5% and 6.8%, respectively. The two most common immediate general complications were intra-peritoneal collections (12.5%) and pleural effusion (12.5%). Bleeding, biliary fistula and liver failure were identified in 6.8%, 4.5% and 1.1% of the cases, respectively, among the hepatectomy-specific complications.

Conclusion:

The patients operated in the second half of the series showed better results, which were apparently influenced by the increased surgical expertise, by the modification of the hepatic parenchyma section method and by the increased organ preservation.

Background:

Gastrectomy is the main treatment for gastric and Siewert type II-III esophagogastric junction (EGJ) cancer. This surgery is associated with significant morbidity. Total morbidity rates vary across different studies and few have evaluated postoperative morbidity according to complication severity.

Aim:

To identify the predictors of severe postoperative morbidity.

Methods:

This was a retrospective cohort study from a prospective database. We included patients treated with gastrectomy for gastric or EGJ cancers between January 2012 and December 2016 at a single center. Severe morbidity was defined as Clavien-Dindo score ≥3. A multivariate analysis was performed to identify predictors of severe morbidity.

Results:

Two hundred and eighty-nine gastrectomies were performed (67% males, median age: 65 years). Tumor location was EGJ in 14%, upper third of the stomach in 30%, middle third in 26%, and lower third in 28%. In 196 (67%), a total gastrectomy was performed with a D2 lymph node dissection in 85%. Two hundred and eleven patients (79%) underwent an open gastrectomy. T status was T1 in 23% and T3/T4 in 68%. Postoperative mortality was 2.4% and morbidity rate was 41%. Severe morbidity was 11% and was mainly represented by esophagojejunostomy leak (2.4%), duodenal stump leak (2.1%), and respiratory complications (2%). On multivariate analysis, EGJ location and T3/T4 tumors were associated with a higher rate of severe postoperative morbidity.

Conclusion:

Severe postoperative morbidity after gastrectomy was 11%. Esophagogastric junction tumor location and T3/T4 status are risk factors for severe postoperative morbidity.

Background:

Laparoscopic gastrectomy has numerous perioperative advantages, but the long-term survival of patients after this procedure has been less studied.

Aim:

To compare survival, oncologic and perioperative outcomes between completely laparoscopic vs. open gastrectomy for early gastric cancer.

Methods:

This study was retrospective, and our main outcomes were the overall and disease-specific 5-year survival, lymph node count and R0 resection rate. Our secondary outcome was postoperative morbidity.

Results:

Were included 116 patients (59% men, age 68 years, comorbidities 73%, BMI 25) who underwent 50 laparoscopic gastrectomies and 66 open gastrectomies. The demographic characteristics, tumour location, type of surgery, extent of lymph node dissection and stage did not significantly differ between groups. The overall complication rate was similar in both groups (40% vs. 28%, p=ns), and complications graded at least Clavien 2 (36% vs. 18%, p=0.03), respiratory (9% vs. 0%, p=0.03) and wound-abdominal wall complications (12% vs. 0%, p=0.009) were significantly lower after laparoscopic gastrectomy. The lymph node count (21 vs. 23 nodes; p=ns) and R0 resection rate (100% vs. 96%; p=ns) did not significantly differ between groups. The 5-year overall survival (84% vs. 87%, p=0.31) and disease-specific survival (93% vs. 98%, p=0.20) did not significantly differ between the laparoscopic and open gastrectomy groups.

Conclusion:

The results of this study support similar oncologic outcome and long-term survival for patients with early gastric cancer after laparoscopic gastrectomy and open gastrectomy. In addition, the laparoscopic approach is associated with less severe morbidity and a lower occurrence of respiratory and wound-abdominal wall complications.

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