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Biomedical subjects

Hung-Pin Liu

Publications and source records attributed to Hung-Pin Liu.

6 recordsLinked to original sources
PubMed2005

Use of the Arndt wire-guided endobronchial blocker to facilitate one-lung ventilation for pediatric empyema during video-assisted thoracoscopy.

BACKGROUND: Video-assisted thoracoscopic surgery (VATS) has emerged as an innovative and popular procedure for the management of postpneumonic empyema in children refractory to a medical response. One-lung ventilation is required during VATS. In this study, we evaluated the efficacy of intraoperative wire-guided endobronchial blockade (WEB) for achieving 1-lung ventilation during a thoracoscopic procedure for pediatric empyema. METHODS: Eighteen patients undergoing a VATS approach for evacuation of an empyema cavity were studied. We used a new device, a bronchial blocker tube, to establish 1-lung ventilation. Intraoperative oxygenation, ventilation, and hemodynamics, as well as the duration of the operation during 1-lung ventilation were recorded. The number of unsuccessful placement attempts, number of malpositionings of the device, and the number of secondary dislodgements of the device after turning the patient into the lateral position were also counted. The quality of lung deflation and inflation was rated by the surgeon under direct visualization as either excellent, fair, or poor. RESULTS: The mean operative time was 80+/-10.8 (range, 50 approximately 120) min. The mean peak inspiratory pressure under 1-lung ventilation was 28.7+/-3.6 cm H2O, and no desaturation was noted. A number of unsuccessful placement attempts were required in 1 patient (1/18) for left-sided VATS. No malpositioning or secondary dislodgement of the device was noted. The quality of lung deflation was judged as being excellent in all patients. CONCLUSIONS: VATS can safely and effectively be performed in children with a proper anesthetic technique. With the development and clinical use of this new device, the bronchial blocker tube proved to be effective and easy to use for establishing 1-lung ventilation in a pediatric population.

Adolescent↗
PubMed2005

Tension pneumothorax complicated by double-lumen endotracheal tube intubation.

Tension pneumothorax is not a rare complication of mechanical ventilation, but its occurrence immediately after intubation with a double-lumen endotracheal tube (DLT) is very rare. Subsequent impairment of the respiratory and cardiovascular function can be life threatening if it is not detected early enough and managed properly. Most reported cases of tension pneumothorax during DLT intubation occurred when one-lung ventilation was applied. Herein we report a case of tension pneumothorax and pneumoperitoneum which occurred immediately after DLT intubation. It appeared before one-lung ventilation was applied because of an inappropriately small-sized and malpositioned DLT.

Adult↗
PubMed2004

Ultrasound guidance in caudal epidural needle placement.

BACKGROUND: This study was conducted to investigate the feasibility of using ultrasound as an image tool to locate the sacral hiatus accurately for caudal epidural injections. METHODS: Between August 2002 and July 2003, 70 patients (39 male and 31 female patients) with low back pain and sciatica were studied. Soft tissue ultrasonography was performed to locate the sacral hiatus. A 21-gauge caudal epidural needle was inserted and guided by ultrasound to the sacral hiatus and into the caudal epidural space. Proper needle placement was confirmed by fluoroscopy. RESULTS: In all the recruited patients, the sacral hiatus was located accurately by ultrasound, and the caudal epidural needle was guided successfully to the sacral hiatus and into the caudal epidural space. There was 100% accuracy in caudal epidural needle placement into the caudal epidural space under ultrasound guidance as confirmed by contrast dye fluoroscopy. CONCLUSIONS: Ultrasound is radiation free, is easy to use, and can provide real-time images in guiding the caudal epidural needle into the caudal epidural space. Ultrasound may therefore be used as an adjuvant tool in caudal needle placement.

Adult↗
PubMed2004

Application of wire-guided endobronchial blocker for one-lung ventilation in patient with tracheostomy--a case report.

One-lung ventilation (OLV) with a double-lumen endotracheal tube or Univent may be achieved difficulty in morbidly obese, mouth opening-limited or critically ill patients. Now, a new fiberoptically directed wire-guided endobronchial blocker (WEB) can be applied for these conditions. We report the use of a new endobronchial blocker in a pharyngeal cancer patient after pharyngectomy. The original 10# Shiley endotracheal tube was exchanged with reinforced cuffed tracheal tube. Then we use the WEB to achieve OLV. The WEB was guided by a loop, and through the appropriate position of left main bronchus by pediatric fiberoptic bronchoscope. Finally, OLV was accomplished smoothly with combination of a non-kinking endotracheal tube and a WEB.

Aged↗
PubMed2003

Delayed hypoxemia after bone cement insertion during total hip replacement under spinal anesthesia--a case report.

We report a case of delayed hypoxemia in an aged healthy male patient, which developed 2 hours after cementation of the prosthesis in total hip replacement (THR) under spinal anesthesia. The patient was doing well throughout the operation but unfortunately, progressive tachypnea was noted 1 h after he was transferred to the recovery room (i.e. 2 h after the application of bone cement into the femur). An hour further, distinct wheeze was heard bilaterally on auscultation, which signified bronchospasm. Arterial blood gases analysis revealed a low PaO2 of 71 mmHg and a decrease of oxygen saturation to 91% with supplement of fractional oxygen of 35%. Aerosolization of bronchodilator with terbutaline was administered and supplemental fractional oxygen was increased to 50%. Although wheezing soon subsided, tachypnea and desaturation persisted. He was then transferred to the surgical intensive care unit for further management. Ventilation-perfusion lung scan was performed, which was suggestive of multiple pulmonary embolism.

Aged↗