What are the most effective surgical techniques for repairing a traumatic rupture of the patellar tendon?5 answersThe most effective surgical techniques for repairing a traumatic rupture of the patellar tendon include various approaches such as direct end-to-end repair in acute tears, reconstruction using allografts or autografts in chronic tears, and utilizing techniques like trans-osseous tunnels with allografts for reconstruction. These techniques aim to restore the extensor mechanism of the knee, improve patellar height, and strengthen the medial and lateral retinaculum. Surgical repair with transosseous tunnels, suture anchors, and bioinductive implants have shown promising outcomes, leading to good functional results, high patient satisfaction rates, and successful return to activities. Additionally, utilizing autografts like the peroneus longus tendon or hamstring tendons for reconstruction has been successful in restoring knee function and achieving optimal range of motion postoperatively.
How does pericardial effusion cause right ventricular hypertrophy?5 answersPericardial effusion can lead to right ventricular hypertrophy through various mechanisms. In cases of chronic intractable pericardial effusion associated with pulmonary hypertension, elevated pulmonary pressures can result in right ventricular hypertrophy and dilation, as seen in Case 1 and Case 2. Additionally, patients with pericardial effusion are susceptible to cardiac tamponade, which can cause right ventricular hypertrophy due to a compressing circumferential pericardial effusion leading to pathologic structural and functional remodeling of the right heart chambers. Furthermore, patients with hypertrophic cardiomyopathy and moderate-large idiopathic pericardial effusion often exhibit a phenotype of pulmonary hypertension and right ventricular pressure overload, contributing to right ventricular hypertrophy. These findings highlight the complex interplay between pericardial effusion, pulmonary pressures, and right ventricular changes.
How to perform a pericardial window?5 answersTo perform a pericardial window, various techniques can be utilized based on patient condition and surgical preferences. Options include awake single-port video-assisted thoracoscopic surgery (VATS) without intubation, single-port thoracoscopic approach under light sedation and local anesthetic, and uniportal video-assisted thoracoscopic surgery under general anesthesia or two lung ventilation. A novel modification involves anchoring the pericardial fenestration edges to the chest wall to reduce recurrence rates. These procedures aim to provide rapid relief of symptoms, especially in cases of recurrent, chronic, or large pericardial effusions, allowing for timely discharge and initiation of further treatments like chemotherapy. Uniportal VATS techniques have shown promising outcomes in creating pericardial windows, improving patient quality of life and reducing the need for frequent hospital admissions.
Are there randomized studies on the use of REBOA in traumatic circulatory arrest?5 answersThere are no randomized studies on the use of REBOA in traumatic circulatory arrest.
Can pleural effusion cause atrial fibrillation?3 answers
Can you give rib membrane to dogs?9 answers