Predictors of reoperation after lung volume reduction surgery.

OBJECTIVES: Lung volume reduction surgery (LVRS) has proven an effective treatment for emphysema, by decreasing hyperinflation and improving lung function, activity level and reducing dyspnoea. However, postoperative air leak is an important complication, often leading to reoperation. Our aim was to analyse reoperations after LVRS and identify potential predictors. METHODS: Consecutive single-centre unilateral VATS LVRS performed from 2017 to 2022 were included. Typically, 3-5 minor resections were made using vascular magazines without buttressing. Data were obtained from an institutional database and analysed. Multivariable logistic regression was used to identify predictors of reoperation. Number and location of injuries were registered. RESULTS: In total, 191 patients were included, 25 were reoperated (13%). In 21 patients, the indication for reoperation was substantial air leak, 3 patients bleeding and 1 patient empyema. Length of stay (LOS) was 21 (11-33) vs. 5 days (3-11), respectively. Only 3 injuries were in the stapler line, 13 within < 2cm and 15 injuries were in another site. Multivariable logistic regression analysis showed that decreasing DLCO increased risk of reoperation, OR 1.1 (1.03, 1.18, P = 0.005). Resections in only one lobe, compared to resections in multiple lobes, were also a risk factor OR 3.10 (1.17, 9.32, P = 0.03). Patients undergoing reoperation had significantly increased 30-day mortality, OR 5.52 (1.03, 26.69, P = 0.02). CONCLUSIONS: Our incidence of reoperation after LVRS was 13% leading to prolonged LOS and increased 30-day mortality. Low DLCO and resections in a single lobe were significant predictors of reoperation. The air leak was usually not localized in the stapler line.

[Lung volume reduction surgery for severe emphysema treatment].

Lung volume reduction surgery (LVRS) is a treatment option for patients with severe emphysema. A multicentre randomised trial (NETT) found, that LVRS reduced symptoms from emphysema, and in selected patients with heterogen-ous emphysema it improved survival. Since NETT was performed, other studies have demonstrated positive outcomes, both symptomatic and for survival in previously classified high-risk patients. Post-operative mortality after LVRS is now negligible, which is often credited to minimally invasive techniques, greater experience with the patient group and improved operative equipment.

Basic open surgical training course.

INTRODUCTION: Fewer open surgical procedures are performed, and thus a need to learn open surgical techniques outside the operating room has emerged. Simulation training offers the possibility to train in a safe environment before operating on patients. The purpose of this study is to evaluate the effect of a simulation-based course in basic open surgical skills and to describe its pedagogical foundation, content and organisation. METHODS: Surgical trainees at the beginning of their surgical career participated in a basic open surgical skills course and were assessed before the course, after the course and during a one-day course operating on live sedated pigs using the Objective Structures Assessment of Technical Skills (OSATS) instrument. RESULTS: We found that the course participants matched the target group. The participants' OSATS score increased from 12.1 in the pre-test to 19.9 points (p < 0.0001) in the post-test. The completion rate was 99% and the failure rate was 11%. The course met 13 out of 14 requirements for a simulation-based course. CONCLUSIONS: The basic open surgical skills course teaches trainees the basic skills for open surgery including knot tying, suturing, dissection and surgical assistance. The course significantly increases the participants' surgical abilities and meets requirements for a well-structured simulation course. FUNDING: Equipment was provided by Copenhagen Academy for Medical Education and Simulation, Capital Region, Copenhagen, Denmark. The authors have no conflicts of interest or financial ties to disclose. TRIAL REGISTRATION: The study did not require registration as this is a retrospective quality control study using anonymised participant data.