Publications by authors named "Pirro N"

Sportsman's hernia is very frequent in some sports, particularly in football. This painful syndrome is reported by high-level athletes as well as amateurs. There is no consensus about the management of sportsman's hernia, because of the heterogeneity in anatomoclinic forms.

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Background: Obesity is a public health concern with an increasing occurrence worldwide. Literature regarding impact of obesity on results after management of peritoneal carcinomatosis is poor. Our aim was to compare postoperative and oncological outcomes after cytoreductive surgery and hyperthermic intraperitoneal chemotherapy for rare peritoneal malignancies according to the body mass index.

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Introduction And Hypothesis: Female pelvic organ prolapses are common, but their treatment is challenging. Notably, diagnosis and understanding of these troubles remain incomplete. Tridimensional observations of displacement and deformation of the pelvic organs during a strain could support a better understanding and help to develop comprehensive tools for preoperative planning.

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Background: Acute diverticulitis with extraluminal air constitutes a heterogeneous condition whose management is controversial. The aims of this study are to report the failure rate of conservative treatment for diverticulitis with extraluminal air and to report risk factors of conservative treatment failure.

Methods: A retrospective study was performed from an institutional review board-approved database of patients admitted with acute diverticulitis with extraluminal air from 2015 to 2021 at a tertiary referral center.

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Objective: The objective of the study was to evaluate the implementation of an ERAS programme for deep pelvic endometriosis (DPE) surgery in terms of length of stay (LOS), postoperative complications (POC) and rehospitalisation rate.

Methods: This was a comparative retrospective monocentric study in the Gynaecologic Department of the La Conception Hospital in Marseille, France. We compared a 'conventional' group, with classic perioperative management corresponding to patients undergoing DPE surgery between April 8, 2014 and January 23, 2018, and an 'ERAS' group after setting up the ERAS protocol from February 6, 2018 to March 6, 2020.

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Article Synopsis
  • The study aimed to compare the outcomes of laparoscopic versus robotic ventral mesh rectopexy in treating pelvic floor disorders, focusing on the early experiences of two surgeons from 2017 to 2022.
  • Results showed that robotic procedures had a lower conversion rate but required longer operative time compared to laparoscopic procedures, while postoperative outcomes like pain and complications were similar for both approaches.
  • Ultimately, robotic ventral mesh rectopexy resulted in a shorter hospital stay and better functional results, with higher patient satisfaction and lower recurrence rates, despite the initial learning curve challenges.
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Muscadine grape supplements (MGS) with high polyphenol content are a potential therapeutic option to combat oxidative stress; however, the precise identity and concentration of individual phenolics in commercially processed MGSs is not well defined. We probed for 17 phenolic compounds by ultra-high pressure liquid chromatography and mass spectroscopy from distinct lots of four commercially processed MGSs composed of MG seed and/or skin waste products. The total phenolic content (TPC) and antioxidant capacity were highest in a dried water-extract MGS as compared to three ground seed and/or skin products.

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Purpose: To evaluate stoma-related complications after rectal resection and colorectal anastomosis with diverting stoma for deep infiltrating colorectal endometriosis.

Methods: All the consecutive adult women who underwent colorectal resection with low anastomosis and diverting stoma for deep infiltrating endometriosis in one center between 2013 and 2020 were retrospectively included. Stoma-related complications were retrieved during the stoma period and after stoma reversal.

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Objective: To evaluate the impact of the implementation of a national enhanced recovery after surgery (ERAS) program for posterior deep infiltrating endometriosis (DIE) surgery on the length of hospital stay, the rate of postoperative complications, and readmission within 30 days.

Design: Comparative exposed/nonexposed observational study.

Setting: Study based on the French national medicoeconomic database of the Program of Medicalization of Information System.

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Background: The incidence of gastric poorly cohesive carcinoma (PCC) is increasing. The prognosis for patients with peritoneal metastases remains poor and the role of cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) is controversial. The aim was to clarify the impact of gastric PCC with peritoneal metastases treated by CRS with or without HIPEC.

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Objective: To perform a retrospective root-cause analysis of postoperative death after CRS and HIPEC procedures.

Background: The combination of CRS and HIPEC is an effective therapeutic strategy to treat peritoneal surface malignancies, however it is associated with significant postoperative mortality.

Methods: All patients treated with a combination of CRS and HIPEC between January 2009 and December 2018 in 22 French centers and died in the hospital, were retrospectively analyzed.

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The aim is to evaluate the feasibility and the prognosis of cytoreductive surgery (CRS) with hyperthermic intraperitoneal chemotherapy (HIPEC) for resectable peritoneal metastases (RPM) in elderly patients. Patients who underwent CRS with HIPEC for RPM between 2012 and 2018 in one tertiary reference center were retrospectively included and divided according to the age: Group A (< 65 years) and Group B (≥ 65 years). Postoperative outcomes and survivals were compared.

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Article Synopsis
  • The renin-angiotensin system (RAS) is crucial for blood pressure regulation, and issues with its activation contribute to hypertension, making angiotensin receptor blockers (ARBs) essential in cardiovascular disease treatment.
  • Recent research indicates that Ang II may trigger inflammatory processes through the innate and adaptive immune systems, potentially involving the TLR4 complex.
  • However, in studies with NRK-52E cells, Ang II did not promote the release of the inflammatory cytokine CCL2, suggesting it does not directly activate the MD2-TLR4 pathway as previously thought.
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Background: Diagnosis and treatment of colorectal peritoneal metastases at an early stage, before the onset of signs, could improve patient survival. We aimed to compare the survival benefit of systematic second-look surgery plus hyperthermic intraperitoneal chemotherapy (HIPEC), with surveillance, in patients at high risk of developing colorectal peritoneal metastases.

Methods: We did an open-label, randomised, phase 3 study in 23 hospitals in France.

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Purpose: Gastric cancer (GC) with peritoneal metastases (PMs) is a poor prognostic evolution. Cytoreductive surgery (CRS) yields promising results, but the impact of hyperthermic intraperitoneal chemotherapy (HIPEC) remains controversial. Here we aimed to compare outcomes between CRS-HIPEC versus CRS alone (CRSa) among patients with PMs from GC.

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Unlabelled: Management of functional consequences after pancreatic resection has become a new therapeutic challenge. The goal of our study is to evaluate the risk factors for exocrine (ExoPI) and endocrine (EndoPI) pancreatic insufficiency after pancreatic surgery and to establish a predictive model for their onset.

Patients And Methods: Between January 1, 2014 and June 19, 2015, 91 consecutive patients undergoing pancreatoduodenectomy (PD) or left pancreatectomy (LP) (72% and 28%, respectively) were followed prospectively.

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Purpose: This work aimed to analyse short- and long-term results of enterocele surgical treatment by ventral rectopexy.

Methods: All females who underwent ventral rectopexy for enterocele in our department were included. All patients underwent standardized preoperative evaluation.

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Angiotensin-(1-7) (Ang-(1-7)) is expressed within the kidney and exhibits renoprotective actions that antagonize the inflammatory, fibrotic and pro-oxidant effects of the Ang II-AT1 receptor axis. We previously identified a peptidase activity from sheep brain, proximal tubules and human HK-2 proximal tubule cells that metabolized Ang-(1-7); thus, the present study isolated and identified the Ang-(1-7) peptidase. Utilizing ion exchange and hydrophobic interaction chromatography, a single 80kDa protein band on SDS-PAGE was purified from HK-2 cells.

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The role of the endogenous apelin system in pregnancy is not well understood. Apelin's actions in pregnancy are further complicated by the expression of multiple forms of the peptide. Using radioimmunoassay (RIA) alone, we established the expression of apelin content in the chorionic villi of preeclamptic (PRE) and normal pregnant women (NORM) at 36-38 wk of gestation.

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Segmenting structures of interest in medical images is an important step in different tasks such as visualization, quantitative analysis, simulation, and image-guided surgery, among several other clinical applications. Numerous segmentation methods have been developed in the past three decades for extraction of anatomical or functional structures on medical imaging. Deformable models, which include the active contour models or snakes, are among the most popular methods for image segmentation combining several desirable features such as inherent connectivity and smoothness.

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Background: Over the last two decades, many surgical teams have developed programs to treat peritoneal carcinomatosis with extensive cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC). Currently, there are no specific recommendations for HIPEC procedures concerning environmental contamination risk management, personal protective equipment (PPE), or occupational health supervision.

Methods: A survey of the institutional practices among all French teams currently performing HIPEC procedures was carried out via the French network for the treatment of rare peritoneal malignancies (RENAPE).

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Angiotensin 1-7 [ANG-(1-7)] is expressed within the kidney and exhibits renoprotective actions that antagonize the inflammatory, fibrotic, and pro-oxidant effects of ANG II. We previously identified an peptidase that preferentially metabolized ANG-(1-7) to ANG-(1-4) in the brain medulla and cerebrospinal fluid (CSF) of sheep (Marshall AC, Pirro NT, Rose JC, Diz DI, Chappell MC. J Neurochem 130: 313-323, 2014); thus the present study established the expression of the peptidase in the kidney.

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Pelvic organ prolapse (POP) occurs only in women and becomes more common as women age. However, the surgical practices remain poorly evaluated. The realization of a simulator of the dynamic behavior of the pelvic organs is then identified as a need.

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Angiotensin-(1-7) [Ang-(1-7)] is an alternative product of the brain renin-angiotensin system that exhibits central actions to lower blood pressure and improve baroreflex sensitivity. We previously identified a peptidase that metabolizes Ang-(1-7) to the inactive metabolite product Ang-(1-4) in CSF of adult sheep. This study purified the peptidase 1445-fold from sheep brain medulla and characterized this activity.

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