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Biomedical subjects

B A Rodan

Publications and source records attributed to B A Rodan.

At least 19 recordsLinked to original sources
PubMed1993

Transurethral laser prostatectomy: a comparison of contact tip mode and lateral firing free beam mode.

Transurethral laser prostatectomy was performed on 66 patients for the management of bladder outlet obstruction secondary to prostatic hyperplasia. All of the patients were treated on an outpatient basis primarily using IV sedation or spinal anesthesia. Selection consisted of patients with obstructive voiding symptoms who would be considered candidates for transurethral resection of the prostate (TURP). Thirty procedures were performed with the contact tip laser probe, with successful results noted in 24 cases (80%). Thirty-one of the 36 patients who underwent laser prostatectomy using the lateral firing free beam probe experienced a significant improvement in their obstructive voiding symptoms, for a success rate of 86%. Transurethral laser prostatectomy using the contact tip laser system or the lateral firing free beam mode appears to be an acceptable alternative to TURP in individuals with obstructive voiding symptoms.

Aged↗
PubMed1992

Transurethral laser resection of the prostate.

Transurethral laser resection of the prostate was performed on 25 patients for the management of bladder outlet obstruction secondary to prostatic hyperplasia. All of the patients in our series were treated on an outpatient basis and the majority of these under IV sedation. Patient selection was limited to older, high-risk patients who were poor surgical candidates for transurethral resection of the prostate or suprapubic prostatectomy because of underlying medical problems. Successful results were noted in 20 of the 25 cases (80%). Five procedures were unsuccessful because the patients were unable to spontaneously void after laser resection. Transurethral laser resection of the prostate utilizing the contact laser system is an acceptable alternative to transurethral resection of the prostate in advanced age, high-risk patients with small gland volumes.

Age Factors↗
PubMed1990

Balloon dilation of prostatic urethra.

Retrograde balloon catheter dilation of the prostatic urethra was performed for the management of bladder outlet obstruction secondary to prostatic hyperplasia. Of the 55 patients in our series, 43 were treated entirely as outpatients and 12 were inpatients for unrelated conditions. The patient selection was limited to older, high-risk patients who were poor surgical candidates for transurethral resection of the prostate or suprapubic prostatectomy because of underlying medical problems. Twenty-two of these patients had Foley catheters for relief of their outflow obstructions. The procedures were performed under local anesthesia or intravenous sedation. Successful results were noted in 46 of 55 patients with relief of symptoms for up to twenty-six months. In 9 cases the procedures were unsuccessful and transurethral resection of the prostate was required.

Aged↗
PubMed1988

Balloon dilatation of urethral strictures.

Balloon dilatation of the urethra in 9 male patients with either post-inflammatory or post-traumatic strictures was successfully performed. This procedure is primarily indicated in those patients with unsatisfactory results using conventional dilatation with metal sounds. A flexible endoscope was used for guide wire passage and fluoroscopic guidance for positioning the balloon and assuring complete dilatation of the urethral strictures or vesical neck contracture. In this manner, dilatation to 36 F can be performed in a relatively atraumatic manner with minimal discomfort.

Catheterization↗
PubMed1986

Forceps extraction of ureteral stones.

Ureteroscopy and pyeloscopy in association with ultrasonic lithotripsy for extraction of ureteral stones has, in most instances, eliminated the need for open surgical intervention. Four ureteral stones were successfully extracted by the technique described using flexible cup biopsy forceps introduced through a Teflon sheath. This method was used when basket extraction, ureteroscopy, and other forms of endoscopic stone manipulation were unsuccessful. Two ureteral stones were removed by the transurethral route, and two were removed through a percutaneous nephrostomy tract. There has been little morbidity with this procedure, and patients have returned to normal activity within several days of hospital discharge.

Aged↗
PubMed1986

Computed tomography of oleothorax.

Oleothorax as therapy for pulmonary tuberculosis was discontinued some 35 years ago. An oleothorax may expand and cause respiratory distress. Additional complications include bronchopleural fistula and cutaneous fistula. Computed tomography has not previously been used to evaluate oleothorax. This case report describes the use of computed tomography in a patient with a symptomatic oleothorax.

Aged↗
PubMed1986

Balloon dilation of the ureter: a means to facilitate passage of ureteral and renal calculi.

Dilation of the ureter with a balloon catheter, 20 cm. long and 6 mm. in diameter, passed over a guide wire introduced into the ureter in a retrograde or antegrade fashion has been followed by prompt painless passage of calculi as large as 6 mm. in diameter in 3 patients. Limited radiographic evaluation has revealed no significant sequelae. Our limited experience indicates that it is a safe and expedient method to facilitate passage of ureteral and renal calculi.

Aged↗
PubMed1986

Osteoid osteoma in unusual locations: detection and diagnosis.

We have reported two unusual cases of osteoid osteoma in small bones of the hand and foot. The roentgenographic appearance of a radiolucent area with a sclerotic rim in these regions and in the proper clinical setting must raise the possibility of osteoid osteoma. Computerized tomography can accurately demonstrate the highly vascular nidus.

Adolescent↗
PubMed1986

Balloon dilatation of esophageal strictures.

Esophageal dilatation is a safe and effective method for treating most esophageal strictures. Balloon dilatation is primarily used in those strictures in which conventional techniques were initially unsuccessful. We have successfully treated 13 patients with severe esophageal strictures of both benign and malignant etiologies. The patients subjectively felt better and weight gain was uniform. The patients were able to maintain adequate patency of the esophagus with bougie and self-dilatation. The length of follow-up ranged from 2 to 30 months. The various techniques used for balloon dilatation of esophageal strictures are presented. No serious complications were encountered. Dilatation by balloon catheter appears to be a safe method to dilate severe strictures and provides maximum patient benefit with minimal trauma and morbidity.

Adult↗
PubMed1985

Renal angiomyolipoma: definitive diagnosis by ultrasonography and computerized tomography.

The advent of the newer imaging modalities of ultrasonography and computerized tomography allows a definitive preoperative diagnosis of renal angiomyolipoma. Our case illustrates the management dilemma of a patient with gross hematuria and a solid mass in a solitary kidney. The characteristic appearance of an angiomyolipoma by various imaging modalities allowed simple excision of the mass, sparing the kidney.

Female↗
PubMed1985

Hepatic cysts: treatment with alcohol.

Six patients with hepatic cysts were successfully treated with percutaneous aspiration and temporary direct injection of sterile alcohol U.S.P. (95% ethanol) into the cyst cavities through an aspiration catheter. Five cysts were treated percutaneously using sonographic guidance, and one cyst was treated under direct vision during a cholecystectomy. It is ideal to treat with 25% replacement volume of alcohol. The larger cysts may require more than one alcohol treatment at the same sitting to be effective. There was no recurrence of the treated cysts on follow-up examinations of 6-18 months. Minor complications of transient pain, temperature elevation, and hemorrhage into a cyst occurred. No major complications were encountered. The results of this series would indicate that aspiration and injection of alcohol is the treatment of choice for symptomatic congenital hepatic cysts.

Aged↗