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Filter by:Prostate tissue biopsy is performed with either transrectal or transperineal approach. These two methods are usually based on tissue sampling with an ultrasound-guided core needle biopsy. Transperineal prostate biopsy can be done either with a conventional noncoaxial technique or with a coaxial technique. In conventional transperineal technique, biopsy needle is inserted repeatedly for each tissue sampling. Alternatively, a coaxial needle can be placed over the perineum; then, the direction of the biopsy can be changed by tilting the coaxial needle. In this prospective study, the investigators sought to compare the procedural time and the complication rate of coaxial technique with those of noncoaxial technique in transperineal prostate biopsy.
Objectives: To determine whether TRUS-guided prostate biopsy performed in patients continuing low-dose aspirin (LDA) is associated with a greater incidence, duration, and severity of bleeding complications. Eligibility: Men over 40-year-old with an elevated serum prostate-specific antigen level and/or abnormal digital rectal examination findings are candidates for PB. Design of trial Prospective Randomized Trial Study treatment: Continuing low-Dose aspirin before transrectal prostate biopsy Primary endpoint: The incidence, duration, and severity of bleeding complications Statistical analysis and sample size estimation: Fisher's exact test or chi-square test will be used to explore the differences between two groups for categorical variables, and Student t-test will be used for continuous variables. Under the assumption of a difference of 25% of bleeding complications in each group, with α=0.05 and power=0.80, 60 subject are needed in each arm. Assuming the drop-out rate to be 20%, the targeted recruit number is 150 in total.
The size selection of Laryngeal Mask Airway classic is usually followed the manufacturer's recommendation based on the patient's ideal weight. But sometimes the patient is tall and slim, the actual weight is much less than the ideal weight. This phenomenon might affect the success rate of insertion. Previous studies had demonstrated that the selection of Laryngeal Mask Airway size based on ideal weight could improve the success rate of insertion; therefore, this study was designed to prove whether this conclusion also applies to the tall and thin patients.
Padding with cuff during blood pressure is expected to reduce number of skin crease or petechiae incidence.
Cholangitis is one of the main complications of endoscopic retrograde cholangiopancreatography (ERCP). Plastic biliary stent was used to prevent the occurrence of post-ERCP cholangitis, but the stent should be taken out 1-2 weeks after ERCP with endoscope again. 8.5 F plastic stent with proximal flap can discharge self-driven from biliary to the gut, it has the advantage of avoiding pulling stent out with endoscope again. The purpose of this study is to explore 8.5 F plastic stent with proximal flap on preventing post-ERCP cholangitis of ERCP in patients with choledocholithiasis.
The traditional open appendectomy in the clinical effect is not prefect, and for a long time there is no measurable improvement. The application of abdomen CT before surgery provides a new approach to the incision and new perception. In a randomized controlled trial of modified incision versus traditional incision. Length of hospital day was the primary terminus, while operating time, postoperative complication, scar and time to resume normal activity and work as secondary terminus.
The purpose of this study was to evaluate effects, safety and cost of midazolam used alone or sequential use of midazolam and propofol/dexmedetomidine for long-term sedation in critically ill, mechanically ventilated patients.
This is a single-center, prospective, randomized, double-blinded study of consecutive patients referred for ERCP. A recent study suggested that the addition of dexmedetomidine to the midazolam-meperidine regimen (MMD)provided better sedative efficacy and a superior safety profile during ERCP compared with a midazolam-meperidine regimen. Further study is warranted to compare an MMD regimen with propofol-based regimen. Randomization is performed by use of a computer-generated random allocations in a ratio of 1:1 in balanced blocks of 4. A separate sedating nurse, who don't participate in the study, is the only person with knowledge of the sedation regimen. This separate nurse repeated the injection of propofol and completed questionnaires.
Surgical incision for plate osteosynthesis of midshaft fractures of the clavicle averages 7 to 8 centimeters in the literature. It is hypothesized, that depending on the invasiveness of this incision secondary problems like prolonged fracture healing, paresthesia of supraclavicular nerves and pain due to scar tissue increase. Therefore we developed a mini-incision technique using an average incision length of 4cm. The aim of this study is to analyzed whether secondary problems following plate osteosynthesis of the clavicle correlate mit the length of the surgical access.
Laparoscopic inguinal hernia repair is becoming increasingly popular mainly because of short-term advantages compared to open hernioplasties with mesh. In the prevailing economic climate, the total costs of treatment is a subject of intense research. This study is designed to evaluate the results of open and laparoscopic inguinal hernia repairs, with a special emphasis in costs of treatment, complications and convalescence.