High expression of CD8 in the tumor microenvironment is associated with PD-1 expression and patient survival in high-grade serous ovarian cancer.

Objective: The current study assesses programmed death-1 (PD-1) receptor expression and CD3, CD4, and CD8 tumor-infiltrating lymphocytes (TILs) in high-grade serous ovarian cancer (HGSOC) and associates our results with neoadjuvant chemotherapy history and disease prognosis. Materials and Methods: We included cases diagnosed with primary HGSOC with biopsy or surgical resection materials in this study. The immunoreactivity of CD3, CD4, CD8, and PD1 was assessed immunohistochemically in tumor tissue. We analyzed TILs in two predetermined groups of high and low TIL. The relationships between clinical characteristics, PD-1, and TIL were assessed. by the χ(2) test or Fisher's Exact test. We used Kaplan-Meier survival analysis and Cox proportional hazards regression model to the connection between survival and the amounts of TIL, and PD1. Results: Univariate analysis demonstrated that optimal debulking (p<0.001), early International Federation of Gynecology and Obstetrics stage (p=0.046), and higher scores of stromal CD8+ TIL expression (p=0.028) in tumor cells were all substantially correlated with longer disease-free survival (DFS), whereas the remaining variables analyzed, including PD-1 positivity, stromal CD3+, and CD4+ TILs, and intraepithelial CD3+, CD4+, and CD8+ TILs, were not correlated with DFS. Also, univariate analysis revealed that optimal debulking (p=0.010), and higher scores of stromal CD8+ TIL expression (p=0.021) in tumor cells were all substantially correlated with longer overall survival (OS). Conclusion: Higher scores of stromal CD8+ TILs are substantially correlated with DFS and OS in univariate analyses, whereas scores of stromal CD3+ and CD4+ TILs, and intraepithelial CD3+, CD4+, and CD8+ TILs are not correlated with DFS and OS in both univariate and multivariate analyses. Also, we found a significant association between PD-1 positivity and the scores of stromal CD3+ TILs and intraepithelial CD8+ TILs. However, no remarkable relationship was revealed between PD-1 positivity and the survival of HGSOC cases.

Serum procalcitonin levels in incisional surgical site infections requiring a secondary suture after cesarean sections.

Purpose: Surgical site infections (SSIs) after cesarean section cause maternal morbidity and economic and emotional burdens on society. Our aim is to measure procalcitonin (PCT) levels in patients who developed incisional SSIs after cesarean section while also comparing PCT concentrations between patients who underwent a secondary suture and who did not require a secondary suture.Methods: Ninety-four patients who developed incisional SSI after cesarean section were enrolled in our study. At the time of admission, serum PCT, C-reactive protein (CRP), and white blood cell (WBC) counts were measured. The study population was grouped into two, based on the need of a secondary suture and the patients baseline blood tests were compared.Results: The mean serum CRP level was not significant among the groups; however, the median serum PCT level was significantly higher in patients who required a secondary suture (0.21 vs. 0.05 ng/ml, p ≤ .0001). Serum PCT levels were positively correlated with the length of hospital stay (r = 0.72, p = .0001). Area under the curve (AUC) for PCT in predicting the need of a secondary suture was 0.85 (95% CI: 0.772-0.922) and the cutoff point was 0.142 ng/ml with a sensitivity of 75% and specificity of 97.8% (p = .0001).Conclusion: Serum PCT is a promising marker for both diagnosing and predicting the severity of SSIs after cesarean sections.Trial registration: ClinicalTrials.gov identifier: NCT03223233.

The impact of subcutaneous irrigation on wound complications after cesarean sections: A prospective randomised study.

OBJECTIVE: To assess the effectiveness of subcutaneous saline irrigation in preventing wound complications after cesarean sections. STUDY DESIGN: Patients undergoing primary cesarean sections were randomly assigned to either the subcutaneous saline irrigation group or the control group. The participants were asked to come to the hospital for routine inspection of the skin incision on day 7 and day 30 postoperatively. The wounds were inspected for hematoma, seroma, separation and signs of superficial infection. The prime outcome was the comparison of the superficial surgical site infection (SSI) rates among the groups. Additionally, factors associated with wound complications were also analyzed using logistic regression. RESULTS: A total of 204 women undergoing primary cesarean sections were randomized, and 185 were included in the final analysis. There was no significant difference in terms of SSI rates among the groups (14.3% in the saline group vs 12.8% in the control group, p = 0.76). However, the existences of hematoma and seroma were significantly lower in the saline irrigation group compared to the control group. CONCLUSION: Irrigation of subcutaneous tissue decreases the occurrences of both postoperative hematoma and seroma in women undergoing primary cesarean sections.