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PubMed2005

A case of undiagnosed tethered cord syndrome aggravated by transurethral prostate resection.

BACKGROUND: A 68-year-old man presented with a history of significant urinary urge incontinence, pollakiuria, and weak bladder sensation. He also reported mild fecal incontinence and a hypotrophic and slightly weaker left leg. At 63 years of age he had presented to a urologist for treatment of irritative lower urinary tract symptoms and incontinence. A transurethral resection of the prostate had been performed. After the operation, the symptoms had persisted and the incontinence seriously worsened. INVESTIGATIONS: Clinical neurologic examination, videourodynamic examination, neurophysiologic examination, and MRI of the spinal cord. DIAGNOSIS: Neurogenic bladder dysfunction caused by adult tethered cord syndrome with myelon up to S2 level, spina bifida occulta, and lipoma infiltrating the conus medullaris. MANAGEMENT: Conservative anticholinergic treatment failed, and injection of botulinum-A toxin is planned.

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PubMed2002

[Comparative study of transurethral electrovaporization of prostate versus transurethral resection of prostate on benign prostatic hyperplasia].

OBJECTIVES: To compare the efficacy of transurethral electrovaporization of prostate (TUVP) with transurethral resection of prostate (TURP). METHODS: 206 patients with symptomatic benign prostatic hyperplasia (BPH) whose prostatic sizes were all less than 60 grams were randomly divided into two groups. 97 cases were treated by TUVP while the other 109 cases were treated by TURP. The patients who underwent either TUVP or TURP were followed up for 12-34 months with an average of 20 months postoperatively. RESULTS: Both groups showed the significant decline in the mean IPSS (international prostatic symptom score) (P < 0.01), the mean PVR (Postovoiding Residual Volume) (P < 0.01), while increase in mean Qmax (Peak uroflow rate) (P < 0.01) in 12 months, 24 months after the operation. There were significant differences in the mean duration of operation or catheterization postoperatively (P < 0.05). The main complications of post-operation in the two groups were stress incontinence, TUR syndrome, urethral stricture, secondary bleeding. CONCLUSIONS: Both TUVP and TURP are effective treatment for the patient with BPH whose prostatic size is less than 60 grams. TUVP spends shorter time of the operation and postoperative catheterization than that of TURP.

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PubMedDate not supplied

[Changes in central hemodynamics in transurethral prostate resection under epidural anesthesia].

Central hemodynamics was studied in 53 patients divided into 3 groups who had transurethral resection of the prostate under epidural anesthesia. Patients with uneventful course of surgery (group 1) had favourable rearrangement of hemodynamic parameters in response to epidural anesthesia. In patients of group 2 hemodynamics was characterized by addition of negative effects of relative hypovolemia. A significant fall of central venous pressure was found in group 3. This low venous pressure resulted from the epidural block and contributed much to development of hyponatremia in these patients.

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PubMed1991

Bacteremia from transurethral prostatic resection under prophylactic use of antibiotics.

We studied the incidence of the postoperative bacteremia developing in 44 patients undergoing transurethral resection of the prostate under prophylactic use of antibiotics. In 15 of the patients, postoperative endotoxinemia was also investigated. Postoperative bacteremia was found in 10 (22.7%) of the patients, in only one of whom septicemia developed. The incidence of bacteremia was not influenced by the kind of antimicrobial agent administered prophylactically, but was significantly higher in the patients with preoperative urinary tract infection or prostatitis on histological examination of resected prostatic tissue (p less than 0.01). Concerning species isolated from the blood, gram-positive cocci were isolated more frequently than gram-negative bacteria, and Staphylococcus epidermidis was the most common species. In 7 (70%) of the bacteremia patients an identical species was isolated from preoperative urine cultures. In the patients with bacteremia, significant increases in white blood cell count and maximal body temperature were found within 3 hours after the procedure as compared to before the procedure. To lower the postoperative bacteremic rate, appropriate and adequate antimicrobial agents must be used preoperatively in patients with infection of the genitourinary tract. As to blood endotoxin, the endotoxin levels in the patients with postoperative fever did not significantly differ from those of the patients without this complication.

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PubMed1994

[Laser prostatectomy as alternative to transurethral prostate resection in benign prostatic hyperplasia].

OBJECTIVE: Assessment of the results of laser prostatectomy, as a treatment for benign prostatic hyperplasia (BPH). DESIGN: Prospective case control study. SETTING: University Hospital Utrecht, the Netherlands. METHOD: Between February 1992 and May 1993, 54 men with their micturition complaints due to BPH were treated with laser prostatectomy (TULIP system). Results were assessed using the international prostatic symptom score (IPSS), the maximal flow and urodynamic tests. The results were compared retrospectively with results of transurethral resection of the prostate (TURP; n = 40): both groups were urodynamically identical. RESULTS: Of the 54 patients, 10 could not be evaluated 6 months after treatment (5 of them underwent TURP or a second laser prostatectomy). In 40 patients complete evaluation including urodynamics before and six months after treatment was possible. A significant decrease in the symptom score from 19.3 (SD: 7.6) to 6.3 (SD: 5.4) and increase of the maximal flow during pressure-flow studies from 9.6 to 15.8 ml per second were observed. The decrease of the voiding pressure at 6 months after TURP in comparison with laser prostatectomy was close to significance (p = 0.05); the other improvements after urodynamics were comparable. CONCLUSION: Laser prostatectomy is a promising new therapy for BPH.

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PubMed1997

[Calculation of lavage volume in transurethral prostate resection (TURP)].

PURPOSE: Evaluation of the relationship between ethanol concentration in expired air and the amount of absorbed irrigation fluid in patients who undergo a transurethral resection of the prostate. METHODS: 76 patients were evaluated in a prospective study. The irrigation fluid contained 1.92 w/w% of ethanol. The ethanol concentration in breath was measured at least every 10 minutes with a Alcotest 7410 (Dräger) or a Biomed 3010 (Biotest). Documented values: breath ethanol concentration, mean arterial pressure, heart rate, haemoglobin concentration, serum sodium concentration, the amount of irrigation fluid, the time of operation, special events, therapeutic interventions. A modification of the Widmark formula was used for calculating the amount of absorbed irrigation fluid from the breath ethanol concentration. RESULTS: A rise of the ethanol level above 0.2/1000 was observed in 10 patients. No clinically significant difference in heart rate and blood pressure during surgery between the 24 patients with no alcohol in breath and the 10 patients with more than 0.2/1000 was observed. Prolonged duration of resection and greater amount of used irrigation fluid correlated with higher ethanol concentration in breath. During the study period no patient developed the clinical features of a transurethral resection syndrome. CONCLUSIONS: If 2 w/w% of ethanol is added to the irrigation fluid, breath ethanol concentration under 0.2/1000 may be considered harmless, while values above 0.2/1000 are predictors of massive absorption of irrigation fluid. In our patients, the addition of ethanol to the irrigation fluid has been a suitable and easy way to monitor the absorption of irrigation fluid, if the ethanol concentration in the breath is measured every ten minutes. If 2 w/w% of ethanol have been added to the irrigation fluid, the absorbed volume (E) can be estimated using the formula: E = 37.5 x body weight (kg) x ethanol concentration (/1000).

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PubMed1992

A prospective evaluation of the failure rate of spinal anaesthesia for transurethral prostatic resection.

The rate of failed spinal anaesthesia, defined as the need for unplanned general anaesthesia, was evaluated in a prospective study involving 137 patients undergoing transurethral resection of the prostate (TURP). The incidence of sensations at the operative site which did not require general anaesthesia was also evaluated. Attention to details was emphasized in the technique. Patients randomly received either hyperbaric Niphanoid tetracaine (n = 74; 6 or 10 mg) or hyperbaric bupivacaine (n = 61; 6 mg), with or without adrenaline. General anaesthesia was necessary in one patient (0.72%). Twelve additional patients reported sensations at the operative site which were rapidly relieved by light intravenous supplementation with low doses of fentanyl and/or thiopentone. The patients reporting sensations did not differ in demographic characteristics, spinal technique, local anaesthetic, or degree of sensory or motor blockade. Addition of adrenaline to the 6-mg doses of both tetracaine and bupivacaine decreased the incidence of sensations at the operative site.

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PubMed1991

Use of ethanol as marker substance to increase patient safety during transurethral prostatic resection. Screening investigation of irrigating fluid absorption in four hospitals and comparison of experienced and inexperienced urologists.

Of 472 patients at four different hospitals electively undergoing transurethral resection of the prostate (TURP), 192 received Sorbitur as an irrigating fluid with 2% ethanol (w/v) as a marker. Using a breath analyzer (Alcol-meter), the amount of ethanol in expired air was measured regularly during the operation to detect the absorption of irrigating fluid. The ethanol concentration in expired air was plotted against time. The time-ethanol concentration product was used as a measurement of absorbed ethanol marked irrigating fluid. A unit of more than 2.5 was considered to be a major absorption with possible clinical significance. This criterion was fulfilled in 24 percent of the patients. Postoperative serum sodium was shown to decrease more in patients with major absorption than in patients with minor absorption in comparison to preoperative values. The weight of resected tissue and the bleeding per resected gram of tissue was higher in the patients with major absorption, but the resected tissue per operating time was the same in both groups. The experienced urologists had as many patients with absorption as did the inexperienced ones. Ethanol-marked irrigating fluid is a simple, safe, noninvasive, rapid, and cheap method of detecting absorption of irrigating fluid thus increasing patient safety during TURP. This method indicates absorption before clinical signs and symptoms of the TUR syndrome occur. It also provides an easy method for estimating the frequency of absorption of irrigating fluid routinely in clinical work.

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PubMed1992

A comparison of bladder neck incision and transurethral prostatic resection.

Between 1978 and 1988, 108 patients underwent bladder neck incision (BNI) for bladder outflow obstruction. These patients were compared to a similar group who underwent transurethral resection of the prostate (TURP), during the same time period. Only patients with minimal prostatic enlargement (less than 10 g) with prominent bladder necks and small lateral lobes were included in the study. In addition, all patients in the resection group had a resection weight of less than 10 g on the histopathology report. Patients were followed up by means of a posted questionnaire to which 59 patients in the BNI group and 86 in the TURP group responded. Pre-operative and peri-operative data were also collected from these respondents by a retrospective case record review. This found both operations to be safe with low morbidity and mortality. BNI was better than TURP in terms of shorter operation length (P less than 0.017) and shorter duration of catheterization (P less than 0.004). No other peri-operative differences were found. Follow-up results from the questionnaire showed no significant differences in symptoms between the two groups. Similarly, there was no difference in the number of re-operations performed over the 10 year period studied. Patient assessment of their operation was initially favourable in both groups (greater than 80% patient approval) however, both treatment groups experienced a gradual drop in patient approval over the 10 year period. There were no differences in the level of approval between the BNI and TURP groups.

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