Diaphragmatic stripping in epithelial ovarian cancer at first diagnosis: Impact on morbidity and survival outcomes.

OBJECTIVES: Diaphragmatic stripping is a standard procedure that is performed in a significant proportion of patients undergoing surgical cytoreduction for advanced ovarian cancer. The objective of the present study is to evaluate morbidity and survival outcomes among patients offered diaphragmatic surgery for primary diagnosed optimally resected ovarian cancer. STUDY DESIGN: We conducted a retrospective cohort study, identifying patients that were offered surgery between 2016 and 2021 for primary diagnosis of ovarian cancer. Cases that had diaphragmatic stripping or partial diaphragmatic resection were selected and compared to cases that did not require this procedure. Kaplan-Meier and Cox-regression analyses were applied to evaluate survival outcomes. RESULTS: Overall, 61 patients that had diaphragmatic stripping were identified. Severe postoperative complications (Clavien-Dindo 3 + ) were noted in 19 patients (31 %). Survival analyses denoted that the stage of the disease at the time of diagnosis, as well as the timing of the surgical procedure (PDS vs IDS) and the completion of tumor debulking were factors that significantly affected the recurrence free and overall survival of patients. Severe postoperative morbidity was a significant predictor of the overall survival. Multivariate cox-regression analysis that was adjusted for the stage of the disease revealed that preoperative pleural effusion, optimal (compared to complete) tumor resection and the occurrence of postoperative complications significantly affected the overall survival of patients. Compared to patients that did not have diaphragmatic surgery, patients submitted to diaphragmatic stripping or resection had improved progression free and overall survival rates, irrespective of the stage of the disease at diagnosis or the adequacy of resection status. CONCLUSIONS: Diaphragmatic surgery is feasible in advanced ovarian cancer patients with acceptable morbidity that mainly refers to postoperative pleural effusion. Its positive impact on patients' survival requires further investigation.

Growth of Intestinal Neomucosa on Pedicled Gastric Wall Flap, a Novel Technique in an Animal Model.

Background: Short bowel syndrome (SBS) remains an unsolved issue in modern medicine. Numerous experimental surgical techniques have been proposed in the attempt to increase the intestinal absorptive capacity.Materials and Methods: Ten female Landrace pigs, divided in two groups of 5 (A and B), were explored through a midline incision. A spindle-shaped vascularized full-thickness gastric wall flap (GWF) consisting of part of the major curvature with the gastroepiploic arch preserved was de-epithelialized and then placed as a "patch" to cover an antimesenteric border defect of either a nonfunctional blind intestinal loop (group A) or a functional intestinal loop of the gastrointestinal tract (group B). A spindle-shaped curved, rigid, low density polyethylene (LDPE) splint was sutured on the external surface of the patch in order to prevent shrinkage of GWF and collapse of the intestinal wall in group A.Results: There was a decrease of both dimensions of the patch. Microscopically a thin layer of columnar epithelial cells covered the center of the patch, evolving in shorter, blunt, poorly developed villi with increasing maturation laterally. The patch surface was covered by nearly 90%. In the three animals that died prematurely the coverage of GWF was negligent or suboptimal directly dependent on the length of survival.Conclusions: The hereby-described patching technique demonstrated the growth of intestinal neomucosa on the GWF. The capability of the stomach to provide large flaps and the advantages of the use of native tissues render this animal model valuable for the future research in the field.

Pelvic exenteration for gynecologic malignancies: The experience of a tertiary center from Greece.

BACKGROUND: Pelvic exenteration is an ultraradical procedure that is performed for locally advanced pelvic malignancies. Despite its rarity, the rates of the procedure increase during the last years due to the gain of surgical expertise. Data on survival rates remain; however, scarce in the literature. METHODS: We retrospectively reviewed the records of all patients who underwent exenterative procedures for advanced gynecologic malignancies between 2006 and 2020. Major and minor perioperative complications were documented according to the Clavien-Dindo classification only when they occurred during a time limit of 30 days from the operation. Cox regression analysis and Kaplan-Meier survival curves were used for the analysis of survival outcomes. RESULTS: Overall, we identified 138 patients who were offered a pelvic exenteration procedure that were followed up for a median of 42 months (range 6-60 months). Seventy-five patients recurred (54.3%) during the follow-up period within 35.04 months (95% CI 31.01, 39.07 months). After examining several potential factors that might influence survival rates, we observed that only patients with positive margins had increased risk of recurrence (HR 1.66, 95%CI 1.10, 2.56 p = .016), although this was not associated with a decrease in overall survival. Overall survival outcomes were available for 112 patients of whom 62 died (55.4%) within 38.84 months (95% CI 35.02, 42.67). Major complications were detected in 21 patients. Reoperation was required in 18 patients. Anastomotic leakage was observed in 7 cases (5%) of whom 4 patients required reoperation. CONCLUSION: In summary, the findings of our study suggest that women undergoing pelvic exenteration for gynecologic malignancies have a significant survival probability that is accompanied by acceptable rates of operative morbidity.