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Background Total laryngectomy (TL) is a surgical procedure commonly performed on patients with advanced laryngeal or hypopharyngeal carcinoma. One of the most common postoperative complications following TL is the development of a pharyngocutaneous fistula (PCF), characterized by a communication between the neopharynx and the skin. PCF can lead to extended hospital stays, delayed oral feeding, and compromised quality of life. The use of a myofascial pectoralis major flap (PMMF) as an onlay technique during pharyngeal closure has shown potential in reducing PCF rates in high risk patients for development of PCF such as patients undergoing TL after chemoradiation and low skeletal muscle mass (SMM). Its impact on various functional outcomes, such as shoulder and neck function, swallowing function, and voice quality, remains less explored. This study aims to investigate the effectiveness of PMMF in reducing PCF rates in patients with low SMM and its potential consequences on patient well-being. Methods This multicenter study adopts a randomized clinical trial (RCT) design and is funded by the Dutch Cancer Society. Eligible patients for TL, aged ≥ 18 years, mentally competent, and proficient in Dutch, will be enrolled. One hundred and twenty eight patients with low SMM will be centrally randomized to receive TL with or without PMMF, while those without low SMM will undergo standard TL. Primary outcome measurement involves assessing PCF rates within 30 days post-TL. Secondary objectives include evaluating quality of life, shoulder and neck function, swallowing function, and voice quality using standardized questionnaires and functional tests. Data will be collected through electronic patient records. Discussion This study’s significance lies in its exploration of the potential benefits of using PMMF as an onlay technique during pharyngeal closure to reduce PCF rates in TL patients with low SMM. By assessing various functional outcomes, the study aims to provide a comprehensive understanding of the impact of PMMF deployment. The anticipated results will contribute valuable insights into optimizing surgical techniques to enhance patient outcomes and inform future treatment strategies for TL patients. Trial registration NL8605, registered on 11-05-2020; International Clinical Trials Registry Platform (ICTRP).

Objectives The aim of the current study was to evaluate the functional outcomes of stapler pharyngeal closure after total laryngectomy by the incidence of PCT and assessment of swallowing after surgery. In addition, the study aimed to evaluate the oncological outcomes in terms of patients’ survival rates. Methods This randomized clinical trial was conducted on 58 patients with advanced laryngeal carcinoma who underwent total laryngectomy. Patients were randomly assigned to two groups according to the method of pharyngeal repair after laryngectomy: manual closure group (n = 28), and stapler group (n = 30). Functional and oncological outcomes were assessed and compared. Results The incidence of pharyngocutaneous fistula was significantly less in the stapler group. Additionally, operative time was significantly shorter and swallowing function was better in the stapler group compared to the manual group. There was no statistically significant difference between groups regarding survival rates. Conclusion The stapler is a reliable method for pharyngeal closure after total laryngectomy if the limits of its indications regarding the primary tumor are considered. Stapler closure decreases the incidence of PCF and decreases the surgical time. Good swallowing outcomes are achieved without compromising the oncological outcomes.

This study aimed to assess the utility of onlay pectoralis major myofascial flap in preventing pharyngocutaneous fistula following salvage total laryngectomy. A retrospective analysis was performed of 172 patients who underwent salvage laryngectomy for recurrent carcinoma of the larynx or hypopharynx between 1999 and 2014. One hundred and ten patients underwent primary closure and 62 patients had pectoralis major myofascial flap onlay. The overall pharyngocutaneous fistula rate was 43 per cent, and was similar in both groups (primary closure group, 43.6 per cent; onlay flap group, 41.9 per cent; p = 0.8). Fistulae in the onlay flap group healed faster: the median and mean fistula duration were 37 and 55 days, respectively, in the primary closure group and 20 and 25 days, respectively, in the onlay flap group (p = 0.008). Use of an onlay pectoralis major myofascial flap did not decrease the pharyngocutaneous fistula rate, although fistula duration was shortened. A well-designed randomised-controlled trial is needed to establish parameters for its routine use in clinical practice.

We evaluated the importance of urethral coverage using vascularized subcutaneous ventral flaps for the prevention of fistulas in patients undergoing distal hypospadias repair. Our prospective study included 130 patients, aged 9 months to 12 years, who underwent distal hypospadias repair using tubularized incised plate urethroplasty (TIPU), from January 2001 through January 2006. Patients were assigned to one of two groups by a computer-generated random selection: 65 patients underwent non-covered urethroplasty (NCU group); another group of 65 patients underwent covered urethroplasty (CU group) with a vascularized subcutaneous ventral flap. The results were evaluated by two pediatric surgeons unaware of the type of treatment each patient had undergone. Successful results were achieved in 99/130 patients (76.2%). We recorded 31 (23.8%) post-operative complications: 20 patients presented with a urethrocutaneous fistula (15 patients in the NCU group and 5 in the CU group); five with urethral stenosis (3 in the NCU and 2 in the CU group); and six with skin dehiscence of the preputioplasty (3 patients in each group). We analyzed the results using the chi2 test and the only statistically significant difference between the two groups (p < 0.05) was in terms of incidence of fistulas. Urethrocutaneous fistulas seem to be the most frequent complication of distal hypospadias after TIPU repair. Urethral coverage should be part of the Snodgrass procedure because it significantly reduces the formation of fistulas. A well-vascularized subcutaneous ventral flap represents, in our experience, a simple and optimal choice for the prevention of fistulas.

Background The leakage of saliva through the deep neck region from a pharyngocutaneous fistula could cause devastating complications, including vascular ruptures leading to mortality. While a partial pharyngoesophageal defect is created after total laryngectomy, a patch pattern of hypopharyngeal reconstruction is required, for which a fasciocutaneous free flap is usually applied. If radiotherapy fails to cure pharyngeal cancer, salvage total laryngectomy (STL) is needed. However, postradiation tissues tend not to heal well, and the incidence of pharyngocutaneous fistula therefore increases. We proposed an edge-epithelialization method to address this problem and conducted a retrospective study for comparison. Methods The inclusion criteria were patients with head and neck cancer who underwent total laryngectomy that immediately required patch free flap reconstruction at a single medical center (January 2012–December 2021). Receipt of presurgical radiotherapy, hospitalization duration, and the presence of postoperative complications were recorded. Results The included patients were separated into two groups: Group A (edge de-epithelialization not adopted) ( n  = 79) and Group B (edge de-epithelialization adopted) ( n  = 51). Forty-four and twenty-two patients in Groups A and Group B, respectively, received preoperative radiotherapies and simultaneous STL and fasciocutaneous free flap reconstructions. The incidence of pharyngocutaneous fistula was significantly lower in Group B ( p  = 0.0145). This phenomenon was the same for patients who underwent preoperative radiotherapy only ( p  = 0.0470) but not for patients who did not receive preoperative radiotherapy ( p  = 0.2363). Conclusions Edge de-epithelialization is an effective method for reducing pharyngocutaneous fistula formation in patch free flap reconstructions after STLs.

Percutaneous nephrolithotomy (PCNL) is generally considered a safe technique offering the highest stone-free rates after the first treatment as compared to the other minimal invasive lithotripsy techniques. Still, serious complications although rare should be expected following this percutaneous procedure. In this work, the most common and important complications associated with PCNL are being reviewed focusing on the perioperative risk factors, current management, and preventing measures that need to be taken to reduce their incidence. In addition, complication reporting is being criticized given the absence of a universal consensus on PCNL complications description. Complications such as perioperative bleeding, urine leak from nephrocutaneous fistula, pelvicalyceal system injury, and pain are individually graded as complications by various authors and are responsible for a significant variation in the reported overall PCNL complication rate, rendering comparison of morbidity between studies almost impossible. Due to the latter, a universally accepted grading system specialized for the assessment of PCNL-related complications and standardized for each variation of PCNL technique is deemed necessary.

Aim: To evaluate the use of metronidazole as a prophylactic agent against pharyngocutaneous fistula (PCF) formation. Patients and Methods: Seventy patients who underwent total laryngectomy between 2000 and 2008 in our department were divided into two groups. The first group (M+ group) was placed on a 10-day metronidazole regimen (2 days prior to surgery and 7 days following). The second group (M– group) received only regular preoperative chemoprophylaxis. Results: In total, 17 (24.3%) incidents of PCF were reported, 3 of which were in the M+ group, with the remainder in the M– group. A statistically significant reduction in the PCF rate was noted in favor of metronidazole in the overall population (p = 0.005), as well as in the patient group that had received radiotherapy prior to surgery (p = 0.03). Conclusion: Metronidazole administered for a total of 10 days pre- and postoperatively seems to lower the incidence rate of PCF formation.

Purpose To compare the efficacy of different reconstructive techniques in preventing pharyngocutaneous fistula (PCF) after salvage total laryngectomy (STL). Methods An arm-based network analysis was conducted using a Bayesian hierarchical model according to the PRISMA-NMA guidelines. Results A total of 1694 patients with a median age of 64 years ( n  = 1569, 95% CI: 62–66 years) were included. If compared to primary pharyngeal closure alone, only a pedicled flap onlay (PFO) showed a statistically significant reduction in PCF rate (OR: 0.35, CI: 0.20–0.61). PFO seemed to perform better than other treatments according to the rank probabilities test (39.9% chance of ranking first). Conclusions A pedicled flap placed with an overlay technique might be preferred over a patch reconstruction to prevent PCF after STL.

Introduction The aim of this retrospective study was to assess the efficacy of Salivary Bypass Tube (SBT) for preventing pharyngo-cutaneous fistula (PCF) in a recent cohort of patients who underwent primary and salvage total laryngectomy (TL). Methods A consecutive series of 133 patients who underwent total laryngectomy between 1997 and 2019 was reviewed. The incidence of PCF was compared between patients who did not receive SBT (nSBT group; n  = 55) and those preventively receiving SBT (SBT group; n  = 78) in both primary and salvage TL. Risk factors for PCF were evaluated in a univariate and multivariate analyses. Results The overall PCF rate was 30%. Preoperative characteristics were similar between the nSBT and SBT groups, except for older age ( p  = 0.016), lower preoperative hemoglobin ( p  = 0.043), and lesser neoadjuvant chemotherapy ( p  = 0.015) in the SBT group. The rate of PCF the nSBT group, was 41.5%, compared to 21.8% in the SBT group ( p  = 0.020). In multivariate analysis, only the use of SBT was associated with lower risk of PCF (OR = 0.41 (95% CI 0.19–0.89), p  = 0.026). This effect was verified only in the subgroup of patient operated for salvage TL (OR = 0.225; 95% CI 0.09–0.7; p  = 0.008). Conclusion The use of SBT in our series in salvage TL, appears to be associated with a decreased risk of PCF.

Purpose Transoral robotic surgery (TORS) has become increasingly recognised as a safe and effective treatment for early oropharyngeal squamous cell carcinoma, often performed in conjunction with neck dissection (ND) and vessel ligation. It has been proposed that performing the neck dissection in a staged fashion prior to TORS results in low rates of transoral haemorrhage and pharyngocutaneous fistula, and may aid in TORS patient selection by eliminating patients who would require multi-modality treatment based on nodal pathology. This study aims to assess the effect of staged neck dissection with TORS in mitigating pharyngocutaneous fistulae and post-operative haemorrhage as well as the impact of staged ND on TORS patient selection. Methods A retrospective cohort analysis was performed of patients undergoing staged ND with intent to proceed to TORS at two Australian hospitals between 2014 and 2022. Incidence of post-operative haemorrhage and pharyngocutaneous fistula and length of inpatient stay was identified. The number of patients who did not proceed to TORS was recorded. Results One hundred and four patients were identified who underwent staged neck dissection with an intention to proceed to TORS. Six patients did not proceed to TORS following pathological assessment of the neck dissection specimen and ninety-eight patients (91 primary, 7 salvage) underwent TORS. There were six cases of secondary haemorrhage (one major, two intermediate and three minor). There were no cases of pharyngocutaneous fistula. Conclusion Staged neck dissection prior to TORS results in low rates of haemorrhage and pharyngocutaneous fistula and can improve TORS patient selection.