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Query: UNIPROT:Q86TM3 (cage)
 29,987 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The goal of the study was to investigate the ultrasonic vocalization induced in freely behaving, naive rats by gentle touch with a human hand. Thirty-nine rats were tested in an unfamiliar experimental cage with repeatable hand touch. Vocalization appeared with an average latency of 4.6 +/- 5.0 s (SD). The nape of the neck was the most effective area, and after a couple of stimuli applied, 66.7% of rats emitted 21-32 kHz ultrasonic vocalization. It consisted of multiple series of long calls, about 70% of which exceeded 300 ms. The responses quickly habituated from session to session to extinction. Significantly more rats housed in single cages vocalized ultrasonically than animals housed in community cages. The long latencies of the vocalization, their appearance in multiple series to a single touch, and quick habituation to the stimuli indicate that 22 kHz ultrasonic vocalization of rats reflects a distress caused by a potential danger to the animal and it does not necessarily reflect physical discomfort or pain. This vocalization may, therefore, play an adaptive role in increasing chances of survival by conveying information about potential threats to other conspecifics.
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PMID:Ultrasonic vocalization of laboratory rats in response to handling and touch. 140 36

Vertebral compression fractures (VCFs) may be defined radiographically or as a clinical event. The prevalence of these fractures in women aged 50 and over has been estimated at 26% when defined as a reduction in vertebral height greater than 15%. Retrospective reviews of case records have shown a clinical detection rate of VCF in white women of 153/100,000 person years. Of these clinically detected VCFs, 84% were associated with pain. VCF may be defined as a clinical event characterised by loss of height and acute pain. The pain of acute fracture usually lasts 4 to 6 weeks with intense pain at the site of fracture. Chronic pain may also occur in patients with multiple compression fractures, height loss and low bone density but is probably due to structural changes or osteoarthritis. Radiographic VCF may not be symptomatic. The greater the deformity, the greater the likelihood of pain and disability. As height is lost, patients experience discomfort from the rib cage pressing downward on the pelvis. Patients develop a thoracic kyphosis, a lumbar lordosis, and a protuberant abdomen with prominent horizontal skinfold creases. The reduced thoracic space may result in decreased exercise tolerance and reduced abdominal space may give rise to early satiety and weight loss. Sleep disorders may also occur. Patients lose self esteem. Self care may become difficult. They are often depressed. They become fearful of further fracture. They have distorted body image and poor health perception. Patients with one vertebral fracture are at increased risk of peripheral fracture and further vertebral fracture. The aims of acute management are to reduce symptoms and mobilise the patient as quickly as possible.(ABSTRACT TRUNCATED AT 250 WORDS)
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PMID:The clinical consequences of vertebral compression fracture. 162 11

The effect of lung volume and thoracoabdominal shape on the transdiaphragmatic twitch pressure (Pdit) amplitude was evaluated in six volunteers during airway occlusion. Twitch stimulation was applied through fine wire electrodes implanted near both phrenic nerves. Stimulations were tolerated with little discomfort and constant phrenic nerve responses were maintained for hours. At FRC the group mean Pdit was 31.4 cm H2O (range, 19 to 36 cm H2O), and its coefficient of variation ranged between 2 and 5% in individual subjects. At 1 L above FRC, the Pdit decreased a mean of 7.8 cm H2O (range, 2.8 to 11.9 cm H2O). This change was caused primarily by a decrease in esophageal pressure amplitude. The shape of the relaxed chest wall was altered by loading the rib cage with a force of 5 to 9 kg. Load and shape had little effect on Pdit independently of lung volume. Our modified technique of phrenic nerve stimulation through small wire electrodes is ideally suited for longitudinal intervention studies in patients. We conclude that the variability of Pdit with shape is small compared with its expected decrease with lung volume.
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PMID:Transdiaphragmatic twitch pressure. Effects of lung volume and chest wall shape. 292 64

Transdiaphragmatic pressure (Pdi) and the rate of relaxation of the diaphragm (tau) were measured at functional residual capacity (FRC) in six normal seated subjects during single-twitch stimulation of both phrenic nerves. The latter were stimulated supramaximally with needle electrodes with square-wave impulses of 0.1-ms duration at 1 Hz before and after diaphragmatic fatigue produced by resistive loaded breathing. Constancy of chest wall configuration was achieved by monitoring the diameter of the abdomen and the rib cage with a respiratory inductive plethysmograph system. During control the peak Pdi generated during the phrenic stimulation amounted to 34.4 +/- 4.2 (SE) cmH2O and represented in each subject a fixed fraction (17%) of its maximal transdiaphragmatic pressure. After diaphragmatic fatigue the peak Pdi decreased by an average of 45%, amounting to 18.1 +/- 2.7 cmH2O 5 min after the fatigue run, and tau increased from 55.2 +/- 9 ms during control to 77 +/- 8 ms 5 min after the fatigue run. The decrease in peak Pdi and the increase in tau observed after the fatigue run persisted throughout the 30 min of the recovery period studied, the peak Pdi amounting to 18.4 +/- 2.8 and 18.9 +/- 3.3 cmH2O and tau to 81.3 +/- 5.7 and 88.7 +/- 10 ms at 15 and 30 min after the end of the fatigue run, respectively. It is concluded that diaphragmatic fatigue can be detected in man by bilateral phrenic stimulation with needle electrodes without any discomfort for the subject and that the decrease in diaphragmatic strength after fatigue is long lasting.
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PMID:Bilateral phrenic stimulation: a simple technique to assess diaphragmatic fatigue in humans. 396 23

A reusable urinary collection device suitable for quantitative collection of uncontaminated urinary samples from rats without using a metabolism cage has been designed. The device can be attached to the pelvic skin within 5 min with minimum handling and discomfort to the unanesthetized rat using an adhesive. The suitability of this device was investigated by collecting and analyzing urine over a 48-h period following the intraperitoneal injection of [14C]inulin. A two-way crossover study was done with samples from one of the two experiments being collected while the animal was housed in a commercially available metabolism cage equipped to separate urine and feces. The percent of the dose excreted, food and water consumption, and the urinary output were not statistically different for rats housed in the metabolism cages or with the collection device attached. Histopathological examination of the rats revealed no pathology after a 24-h period except minor skin inflammation which occurred both in controls and animals to which the device was attached. These studies demonstrate the comparability of the new urine collection device to a commercially available metabolism cage in the quantitative collection of small (0-7 mL) urine samples with less contamination of the samples from the environment.
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PMID:Novel device for quantitatively collecting small volumes of urine from laboratory rats. 673 69

A custom fabricated polypropylene thoraco-lumbo-sacral orthosis (TLSO) for the treatment of scoliotic curves with an apical vertebrae of T7 or below is described, and the results in 100 patients treated over a 5 year period are reported. The average follow-up for all cases was 13 months, the longest being 59 months. Average initial correction in brace for thoracic curves was 36%, for thoraco-lumbar curves 56%, and for lumbar curves 63%. Double major curves averaged 38% initial correction for the upper curves and 37% for the lower curves. Twenty cases had completed brace treatment with an average follow-up of 8 months out of brace. Of the 30 curves in the 20 patients, 11 were improved more than 5 degrees, 19 remained unchanged (+5 degrees), and none had progressed more than 5 degrees. Twenty-three percent of the patients required a second orthosis and complications occurred in only two patients. The primary advantages of this TLSO include improved cosmesis, minimal discomfort, excellent provision for heat exchange, minimal confinement of the thoracic cage, and maximum retention of spinal mobility.
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PMID:Miami TLSO in the management of scoliosis: preliminary results in 100 cases. 733 90

Some of the changes reported in the ECG of parturients undergoing Caesarean section are suggestive of myocardial ischaemia. This study determined serum CK total and the isoenzyme CK-MB levels in 21 patients during and after Caesarean section under epidural anaesthesia. Twenty patients complained of chest pain, discomfort and pressure, while 12 had ST segmental depression. Although the total CK activity in ten patients was elevated, CK-MB activity in all patients was negative. The electrocardiographic changes were rate-related and occurred at the time pressure was placed upon the upper abdomen and lower thoracic cage by the surgeon to facilitate Caesarean delivery. The data from this study demonstrate that no myocardial injury as measured by CK-MB activity occurs in parturients undergoing Caesarean delivery despite the complaint of chest pain, discomfort and pressure, and ST changes in the ECG.
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PMID:Cardiac enzymes in patients undergoing caesarean section. 788 84

The aim of this study was to investigate the effects of recombinant human erythropoietin (rh-EPO) in patients with cancer-related anaemia. Thirty-six ambulatory patients who had malignant neoplasms and haemoglobin (Hb) values of < 11 g/dl (Pretoria is 1,310 m above sea level) entered the study. Patients with renal insufficiency or anaemia caused by bleeding or haemolysis, and patients with iron deficiency or megaloblastic anaemia, were not entered in the study. 22 IU/kg rh-EPO was given subcutaneously 3 times/week. The dose was escalated if Hb values did not rise after 4 weeks. All 36 patients were evaluable for toxicity. Side effects ascribed to rh-EPO were pain or discomfort at the site of injection (12 patients), heart palpitations (3 patients), skin rash (2 patients) and hypertension, deep vein thrombosis, and myalgia in 1 patient each. Thirty of the 36 patients who entered the study were evaluable for response. There were 16 females and 14 males among the evaluable patients. Median age was 64.5 years. Response, defined as an increase of Hb of at least 2 g/dl or to 12.5 g/dl, for at least 1 month, was documented in 12 patients. This was accompanied by an improvement in performance status and occurred within 1 month in 5 of the 12 patients who responded. rh-EPO has a limited but measurable therapeutic value for patients with cancer-associated anaemia.
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PMID:Recombinant human erythropoietin in the treatment of cancer-related anaemia. 797 Apr 93

Routine urothelial biopsies of the lower urinary tract are obtained using the cold cup biopsy technique. This procedure is most often performed in the surgical suite and requires rigid endoscopic access and the use of biopsy forceps and Bugbee electrodes to obtain tissue for histologic examination. A new single-step biopsy forceps has been used through the flexible cystoscope. Using a 16 F actively deflectable, flexible cystoscope and the 5.4 F Therma Jaw Hot Urologic Forceps, bladder biopsies were obtained in 27 patients for a variety of indications. This biopsy forceps allows simultaneous tissue sampling and electrocoagulation of the biopsy site, thus eliminating the need for exchange of instruments through the flexible cystoscope. Tissue samples are somewhat protected from thermal changes during coagulation through the use of a Faraday cage. Biopsies were frequently obtained in an outpatient setting, requiring only local topical anesthesia (2% lidocaine jelly). Carcinoma in situ, transitional cell carcinoma, acute and chronic inflammation, and normal bladder mucosa were differentiated histologically. Using this technique, lower urinary tract urothelial mapping can be performed safely in the office with minimal patient discomfort.
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PMID:Flexible cystoscopic bladder biopsies: a technique for outpatient evaluation of the lower urinary tract urothelium. 797 52

Encouraged by recent clinical reports of micturition induced in patients by direct bladder stimulation, we conducted a study of optimum methods of direct bladder stimulation. During surgery six male cats received eight large surface-area woven eye electrodes sutured to the bladder wall serosa, four on the bladder dome and four adjacent to the trigone area. Two additional small surface-area single knot electrodes were sutured in the trigone area. Suprapubic and intraperitoneal tubes were placed for pressure recording and bladder filling. Leg and pelvic floor EMG electrodes were also used for tethered recordings. One to eight weeks after surgery, optimum stimulation methods were evaluated as the animal freely moved about a urodynamic recording cage. Electrodes in the trigone region were more effective than electrodes on the dome and induced bladder contractions and voiding similar to spontaneously induced voiding with bladder filing. Large surface area, woven eye electrodes, composed of multistranded 316LVM stainless steel wire, were more effective than smaller surface area single knot electrodes. High stimulating frequencies (40 Hz) were better than lower frequencies (10 to 20 Hz), and a 1 millisecond pulse duration was optimal. Pulsing with stimulating currents from 10 to 25 mA induced effective bladder contractions with voiding when applied for 3 seconds. However, lower currents using longer stimulation periods were also effective. Bipolar electrodes with both electrodes on the bladder wall were superior to monopolar arrangements with the positive ground electrode along the animal's back. We concluded that in the able-bodied cat model, bladder contractile activity for micturition can be induced with direct bladder stimulation and with little discomfort. An effective stimulation protocol consists of capacitor-coupled monophasic pulses with large surface area bipolar electrodes in the trigone region. Stimulating parameters of 40 Hz, 1 msec., 10 to 25 mA applied for 3 seconds were optimal. In addition, based on corrosion resistance observations, the electrodes are quite suitable for long-term studies.
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PMID:Evaluation of direct bladder stimulation with stainless steel woven eye electrodes. 823 May 51


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