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Query: UMLS:C0344307 (analgesia)
 28,200 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Electroejaculation is a newly developed method to retrieve sperm in anejaculatory spinal cord injured (SCI) males. We studied 25 completely traumatic SCI males from August 1990 to May 1991. The patients' ages ranged from 18.7 to 43.3 years, and the interval since injury ranged from four months to 14.1 years. The level of injury varied from C5 to T12. Bi-directional emission was found in 12 patients, antegrade in nine, retrograde in one and failure in three. Electroejaculatory stimulation parameters were 434 +/- 54 mA for mean maximum current, 21.7 +/- 2.7 volts for mean maximum voltage and 35.9 +/- 3.1 degrees C for mean maximum probe temperature. The antegrade semen obtained showed wide variations in sperm quality and quantity between subjects. The total sperm count was 478 +/- 809 x 10(6) in the antegrade portion, and the sperm motility was below 5% in most cases. The retrograde portion was usually worse. There was no correlation between sperm quality and quantity with patient age, injury level or injury period. Bladder management had no effect on the results of electrical stimulation. Epididymitis had a negative impact on the success of retrieval. Low-level injury victims needed analgesia or anesthesia to complete the stimulation. The major side effects were minimal autonomic dysreflexia and mild rectal mucosal change. Repeated stimulation may improve sperm counts, but semen quality deteriorates if the procedure is performed once a week. As a whole, electroejaculation is a safe, effective and simple procedure to retrieve sperm in anejaculatory persons, especially SCI patients.
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PMID:Electroejaculation in spinal cord injured males. 135 10

Postpartal disorders of urinary discharge due to birth trauma are frequently the cause of rising infections of the urinary tract during the puerperium. In diagnosis, noninvasive methods should be preferred. Bladder-emptying function was checked by means of uroflowmetry and sonographic measurement of residual urine in 83 patients at the Department of Gynecology and Obstetrics at the RWTH, Aachen, in the third trimester and post partum. A considerable restriction of urine flow was found both prepartally as well as on the third day post partum. In contrast, there was practically no disturbance of bladder emptying on the sixth day post partum. This function is restored more quickly in cases of cesarean section than in cases of vaginal delivery. As early as the third day post partum no further influence of subpartal analgesia could be demonstrated. The findings failed to show any difference between the group with vaginal/surgical delivery and that with spontaneous birth. Generous use of these noninvasive diagnostic methods to identify postpartal micturition disorders can be recommended.
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PMID:[Non-invasive diagnosis of pre- and postpartum urination disorders]. 304 96

This study was undertaken to determine the impact of an indwelling Foley catheter on bladder dysfunction and incidence of urinary tract infections after total joint arthroplasty. A prospective randomized controlled trial was conducted assigning use of an indwelling Foley catheter (group 1) or intermittent catheterization (group 2) for 48 hours following operation. Postoperative cultures were obtained on days 2 and 5, and the number of intermittent catheterization events and void and catheterization volumes were recorded. Concurrent cost-effectiveness analysis was conducted. One hundred nineteen of 174 consecutive patients having elective primary total joint arthroplasty completed the study. Five of 62 patients (8%) in group 1 and 7 of 57 patients (12%) in group 2 developed urinary tract infections (NS, P = 45). Twenty patients (35%) in group 2 and 12 (19%) in group 1 required straight catheterization for inability to void 48 hours after surgery (P = .05). Seventeen patients (35%) in group 2 and eight patients (16%) in group 1 required straight catheterization after epidural analgesia was discontinued (P = .024). Bladder management by indwelling Foley catheter saved more than 150 minutes of direct nursing contact per patient and $3,000 in total hospital costs. Indwelling Foley catheters reduced the frequency of postoperative urinary retention, were less labor intensive than intermittent straight catheterization, and were not associated with an increased risk of urinary infection. In the setting of epidural anesthesia and postoperative analgesia for total joint arthroplasty, management by indwelling catheter is a cost-effective strategy to facilitate postoperative return of normal bladder function.
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PMID:Bladder management after total joint arthroplasty. 898 64

A pressure analgesiometric device was developed for unrestrained cats. Eleven cats were studied. Stimulation was via three rounded pins within a bracelet on the forearm. The pins were advanced by manual bladder inflation. Bladder pressure was measured using a strain gauge pressure transducer. The threshold was recorded at the behavioural end point. Thresholds were measured at 5 and 15min intervals for 2-4h, after removal/replacement of the cuff, for 120min after SC butorphanol (0.4mg/kg), and with mild skin inflammation at the testing site. Data were analysed using ANOVA. Pressure thresholds in untreated cats were around 150mmHg. The minimum interval for testing was established as 15min. Data were reproducible over 4h and beyond 24h. Thresholds in 5 cats increased (P<0.05) above baseline for 45min after butorphanol with a maximum increase of 270+/-182mmHg at 10min. Thresholds decreased with inflammation. The method appears suitable for feline analgesia investigations.
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PMID:Development of a pressure nociceptive threshold testing device for evaluation of analgesics in cats. 1676 90

A model of nociceptive threshold determination was developed for evaluation of NSAID analgesia in cats. In a crossover study, eight cats received carprofen (4 mg/kg), buprenorphine (0.01 mg/kg) or saline (0.3 ml) subcutaneously before intradermal kaolin injection on the antebrachium to induce mild inflammation. Pressure thresholds were measured at the injected site using blunt-ended pins advanced by manual inflation of a bladder within a bracelet. Bladder pressure was recorded as threshold (PT) at the behavioural end point. Baseline PT were recorded before kaolin injection (time 0). PT was measured at 2-10 h intervals for 52 h. PT below the lower 95% confidence interval (CI) of baseline values indicated hyperalgesia. After saline, hyperalgesia was detected from 2-6 h, 22-26 h, and at 30 and 36 h. After carprofen, PT remained within the 95% CI. After buprenorphine, PT remained within the 95% CI except at 2h. Carprofen and to some extent buprenorphine, prevented inflammatory hyperalgesia.
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PMID:Carprofen and buprenorphine prevent hyperalgesia in a model of inflammatory pain in cats. 1736 18

Recently, it has been demonstrated that intrathecal delivery of resiniferatoxin (RTX) produces strong analgesia, even in models of bone cancer pain. RTX has been investigated to treat bladder dysfunction of spinal origin, applied by intravesical instillation. However, RTX delivered by this route was not completely satisfactory in controlling urinary incontinence and high intravesical pressure. Thus, the present study assessed the effects of intrathecal injections of RTX in bladder dysfunction in rats with spinal cord transection (SCT). Bladder function was evaluated in SCT rats 24 h following intrathecal administration of RTX. Detrusor overactivity and intravesical pressure were reduced in a dose-dependent manner. This was accompanied by a decrease in spinal cord TRPV1 and CGRP, but not in IB4 binding sensory fibres. Also, intrathecal RTX induced a dose-dependent reduction in spinal cord activation of the ERK pathway. Overall, our results show that intrathecal administration of RTX effectively reduces detrusor overactivity and reduces intravesical pressure in models of complete chronic spinal cord transection by suppressing the activity of TRPV1 expressing afferent fibres. Also, intrathecal RTX decreases sensory input, as shown by reduced spinal ERK activation. These findings might be relevant for the management of patients with spinal cord injuries.
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PMID:Intrathecal delivery of resiniferatoxin (RTX) reduces detrusor overactivity and spinal expression of TRPV1 in spinal cord injured animals. 1882 69

The case of an 81-year-old man with a known 5.2 cm abdominal aortic aneurysm (AAA) and transitional cell carcinoma of the bladder who presented to the emergency department in painful clot retention is described. Approximately 5 h after starting bladder irrigation he developed a sudden onset of severe abdominal pain radiating to his back. Urgent CT scan (AAA protocol) revealed a rupture of the lower pole calyx of his right kidney and a stable aneurysm. Bladder irrigation was stopped and the patient settled with a catheter and simple analgesia. Given his significant co-morbidities, it was felt that surgical intervention for the underlying malignancy was inappropriate and the patient was discharged home. At last outpatient review, his renal function was at its baseline and he was suffering no ill-effects from the ruptured kidney.
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PMID:Ruptured renal calyx mimicking leaking abdominal aortic aneurysm. 2266 62

Background. Dysmenorrhea is a common problem for which acupuncture provides effective analgesia. Although acupoint selection affects the effectiveness of acupuncture, the basic rules of acupoint selection are little understood. This study aims to investigate the principles of acupoint selection and characteristics of acupoints used for primary dysmenorrhea. Methods. PubMed, China National Knowledge Infrastructure, and Chinese Biomedical Database were searched for clinical trials published in English or Chinese from January 1978 to April 2014 evaluating the effect of acupuncture on primary dysmenorrhea, with or without methods of randomization and/or control. Three authors extracted information and two reviewers inputted information on titles, journals, interventions, main acupoints, and outcomes using the self-established Data Excavation Platform of Acupoint Specificity for data mining. Results. Sanyinjiao (SP06), Guanyuan (CV04), and Qihai (CV06) were used most frequently. The most frequently used meridians were Conception Vessel, Spleen Meridian of Foot Taiyin, and Bladder Meridian of Foot Taiyang. 67.24% of acupoints used were specific acupoints. Acupoints on lower limbs were most frequently used. Conclusion. Data mining is a feasible approach to identify the characteristics of acupoint selection. Our study indicated that modern acupuncture treatment for primary dysmenorrhea is based on selection of specific acupoints according to traditional acupuncture theory.
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PMID:Application of acupoints and meridians for the treatment of primary dysmenorrhea: a data mining-based literature study. 2580 45

Bladder exstrophy is a rare congenital malformation. It presents as leakage of urine in the anterior abdominal wall following defects in midline anterior abdominal wall skin and bladder. We report the use of combined general anaesthesia and caudal epidural analgesia in a 4yr old boy for repeat bladder exstrophy repair. Problems of prolonged surgery and the challenges of pain and sedation management in the post operative period are discussed.
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PMID:Perioperative Challenges in Repeat Bladder Exstrophy Repair - Case Report. 2727 65

Bladder-related pain is one of the most common forms of visceral pain, and visceral pain is among the most common complaints for which patients seek physician consultation. Despite extensive studies of visceral innervation and treatment of visceral pain, opioids remain a mainstay for management of bladder pain. Side effects associated with opioid therapy can profoundly diminish quality of life, and improved options for treatment of bladder pain remain a high priority. Endocannabinoids, primarily anandamide (AEA) and 2-arachidonoylglycerol (2-AG), are endogenously-produced fatty acid ethanolamides with that induce analgesia. Animal experiments have demonstrated that inhibition of enzymes that degrade AEA or 2-AG have the potential to prevent development of visceral and somatic pain. Although experimental results in animal models have been promising, clinical application of this approach has proven difficult. In addition to fatty acid amide hydrolase (FAAH; degrades AEA) and monacylglycerol lipase (MAGL; degrades 2-AG), cyclooxygenase (COX) acts to metabolize endocannabinoids. Another potential limitation of this strategy is that AEA activates pro-nociceptive transient receptor potential vanilloid 1 (TRPV1) channels. Dual inhibitors of FAAH and TRPV1 or FAAH and COX have been synthesized and are currently undergoing preclinical testing for efficacy in providing analgesia. Local inhibition of FAAH or MAGL within the bladder may be viable options to reduce pain associated with cystitis with fewer systemic side effects, but this has not been explored. Further investigation is required before manipulation of the endocannabinoid system can be proven as an efficacious alternative for management of bladder pain.
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PMID:Potential of Endocannabinoids to Control Bladder Pain. 2986 82


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