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Query: UMLS:C0030193 (pain)
 261,466 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The sensory innervation of the postpharyngeal foregut was investigated by injecting the enzyme horseradish peroxidase (HRP) into the walls of the esophagus, stomach, or duodenum. The transported HRP was identified histochemically, labeled neurons in the spinal and vagal ganglia were counted, and the results were plotted using an SAS statistical program. The spinal sensory fields of each viscus were defined using three determinations: craniocaudal extent, principal innervation field, and peak innervation field. The data revealed that innervation fields are craniocaudally extensive, the sensory field of each viscus overlaps significantly with its neighbor, yet each viscus can be characterized by a field of peak innervation density. Craniocaudal innervation of the esophagus spans as many as 22-23 paired spinal ganglia (C1-L2). There are two peak innervation fields for the cervical (C2-C6 and T2-T4) and for the thoracic (T2-T4 and T8-T12) sectors of the esophagus. The sensory innervation of the stomach extends craniocaudally over as many as 25 paired spinal ganglia (C2-L5). The peak innervation field of the stomach spans a large area comprising the cranial, middle, and the immediately adjoining caudal thoracic ganglia (T2-T10). The duodenum is innervated craniocaudally by as many as 15 paired thoracolumbar ganglia (T2-L3). Peak innervation originates in the middle and caudal thoracic ganglia and cranial lumbar (T6-L1) ganglia. There is a recognizable viscerotopic organization in the sensory innervation of the postpharyngeal foregut; successively more caudal sectors of this region of the alimentary canal are supplied with sensory fibers from successively more caudal spinal dorsal root ganglia. Vagal afferent innervation of the esophagus, stomach, and duodenum is bilateral and originates predominantly, but not exclusively, from vast numbers of neurons in the nodose (distal) ganglia. The esophagus is innervated bilaterally and more abundantly by jugular (proximal) ganglia neurons than is either the stomach or duodenum. The physiological significance of the findings are discussed in relation to the phenomena of visceral pain and referred pain.
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PMID:Sensory innervation of the canine esophagus, stomach, and duodenum. 175 92

This paper reports the case-control study of dangerous factors related to infertility in Henan province during 1987-1988. There were two groups. One was a primary infertility group with 319 couples. The other was a normal fertility group with 714 couples, who were neighbours of the first group, among whom the women's age range was within 6 years old. The survey materials were analyzed by SAS programmes in the computer. The methods of analysis were single factor and logistic regression analysis of factors. The results of single factor analysis showed that in male, infertility had a close relationship with eating edible rude cotton seed oil; suffering from Varicocele; hydrocele of tunica vaginalis; sex dysplasia; breast dysplasia; puberty enuresis; parotitis after puberty; familial infertility and working under high temperature conditions. In female, menstrual disorder; a sexuality or pain during coitus; familial infertility; TB and other chronic diseases might be major contributors to the incidence of infertility. The results of logistic regression analysis of the factors related to infertility suggested that in male, eating edible rude cotton seed oil, suffering form varicocele; sex dysplasia; puberty enuresis; and in female, menstrual disorder; TB; consanguineous marriage, lower rate of coitus, frequent contact with pernicious substances might be major dangerous factors causing infertility. The results of the logistic regression analysis were different from those of the single factor analysis because the former not only analyzed the major influence of each factor but also considered the comprehensive effects of the relevant factors.
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PMID:[A case-control study of dangerous factors related to infertility]. 193 44

A method is presented in which Cox's proportional hazards model, a survival analysis technique, is used to assess the results of hot-plate antinociceptive testing. The method appropriately handles censored data values and variable pretest latency times without making arbitrary assumptions about the distribution of the data. It may be used to characterize and compare dose-response curves or to examine the effect of agent or other treatment variables on the response. The technique is easily implemented using the SAS statistical software package. Due to the similar way in which data is obtained, we believe the method to be applicable to several other laboratory models of pain, including the tail-flick, tail-immersion, and paw-pressure (Randall-Selitto) assays.
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PMID:A nonparametric method for evaluating results from laboratory antinociceptive tests. 290 73

The effectiveness, safety and acceptability of indoprofen (IP) and acetylsalicylic acid (ASA) were assessed in patients with osteoarthritis, in a double-blind comparative trial. Each patient received IP 600 mg/day or ASA 2100 mg/day for a four-week period; after a one-week wash-out period, the same drug was given at a higher dosage (IP 800 or ASA 2800 mg/day) for another four weeks. Seventeen patients on indoprofen and 14 on SAS completed the trial. A significant improvement was obtained with indoprofen in the different parameters measuring pain, from the first treatment period; results were similar at the end of the second period. Results with ASA, at both dosages, appeared less impressive. Two patients on indoprofen and five on ASA complained of side effects.
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PMID:Double-blind comparative trial of indoprofen and acetylsalicylic acid in osteoarthritis. 704 53

The purposes of the study were to find out relatives' opinions about the care of dying patients as well as to find out how relatives assess the nursing care which was given to their nearest on the hospital wards. In order to collect the data for the study, the family members of patients (N = 628) who had died not more than one year before in the hospital, were interviewed. The interviewing was done by sending a questionnaire to every other relative (N = 314), 210 of which (62%) answered the questions. The answers to the structured questions were analyzed with the SAS-software and open-ended questions by the content analysis method. The relatives found that the hospital ward was quite a suitable environment for the nursing care of a dying patient. They found visiting hours flexible but they wished that they had the possibility to rest or stay over night in the hospital. The health care professionals responsible for the care of dying patients were considered to succeed in the field of the patient's rest and hygiene, but they took less well care of patient's physical exercise and dental hygiene. The relatives were satisfied with the pain relief the patient got. According to the relatives, examinations, medication, nursing interventions or the "futile" care given did not cause additional suffering. Although the nurses did not response to patients' spiritual well-being or needs of affections, they were able to make the patients happy with their kindness, presence and with good basic care. The relatives were best informed about patients' every day well-being, medication as well as practical matters concerning the time after the death of the patient. If the patient was transferred to another hospital for the terminal care, the relatives found, however, that they didn't get enough information of the situation. The health care professionals did not console the relatives for their grief and they had not been encouraged to participate in the care of their family members.
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PMID:[The nursing care of a dying patient on the health center ward--the relatives' point of view]. 1043 47

Tonsillectomy is a classic procedure in othorinolaryngology and the most frequent performed in some industrialized countries. In the US more than 390,000 procedures were performed per year. The indications for tonsillectomy and the advisability of outpatients surgery are often debated in the current literature. A prospective 8 years study was made to collect the complications ina total of 348 inpatients and 148 outpatients tonsillectomy. The mean age of inpatients was 6.68 years and 6.14 years in the outpatients group; the 57.18% and 56.52% respectively were men. The mean duration of the surgery in all patients was 23 minutes and the mean time for discharge in the outpatients 173 minutes. The complications occurred in the 1.89% of the inpatients (3 reinterventions, 1 delayed bleeding and 3 delayed discharge) and in the 2.17% of the outpatients (2 reinterventions and 1 anaesthetic complication). Pain was present in the 30% of the patients, vomiting in the 1.57% and fever under 38 degrees C in the 5.52%. We conclude that tonsillectomy has a low rate of complications, the patients can be discharged 4 hours after the surgery, the age under 4 years and SAS were unrelated with the risk of complications, and the poor fluid intake is not a criterion for admission.
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PMID:[Tonsillectomy as a major outpatient procedure. Prospective 8-year study: indications and complications. Comparison with inpatients]. 1086 96

The aim of this investigation was to evaluate whether the pressure pain threshold (PPT) in masticatory muscles of symptom-free subjects was influenced by fluctuations of the sex hormones. The PPT was measured with an electronic algometer for at least 10 consecutive menstrual cycles in 10 women using oral contraceptives and 10 women not using oral contraceptives, with a regular menstrual cycle (26-31 days). In addition, 10 men were measured in a regular pattern over a period of 1 year. All subjects were symptom-free with an age range between 18 and 39 years. Measurement sessions were held during three different cycle phases (follicular, luteal, perimenstrual) and each session consisted of four consecutive PPT measurements. By means of a linear mixed model (SAS), the PPTs of the masster, temporalis and thumb muscles were compared between: (1) groups, (2) sex-hormonal phases, (3) the four consecutive measurements of each muscle per session and (4) time. The PPTs of the masseter (p = 0.8419) and temporalis muscles (p = 0.2786) did not change significantly over time. There was no significant difference in variance for the masseter (p = 0.6250), temporalis (p = 0.9705) and thumb (p = 0.7446) between the three groups. The PPTs of all muscles were significantly lower during the perimenstrual phases in the two female groups. The present data showed similar patterns of PPTs for the three muscle groups. Moreover, the results have shown a very good consistency of the PPTs over a long time period, both in males and females.
Eur J Pain 2001
PMID:Long-term fluctuations of pressure pain thresholds in healthy men, normally menstruating women and oral contraceptive users. 1139 20

The present study was undertaken to look at the effect of professional oral prophylaxis on the general health perceptions and lifestyle in workers at a worksite in Aichi-ken. Dental check-ups and three kinds of questionnaires (SAS: The Social Adjustment Scale, MOS: The Medical Outcomes Study and the nutrition) were used in this investigation for three years from 1998. By means of the stratified sampling method, the participants were 265 workers separated into a case and a control group, who work for a pharmaceutical company (201 males, 64 females, average age 35.6 +/- 0.7 yr old). All participants gave their consent to the study. As in the case group, dental hygienists scaled their teeth and gave each of them appropriate advice about their oral health twice in a year. MOS, SAS, nutrition and oral health in the case and control groups were compared with the baseline, third and the final year. The results were as follows; 1) There was significant difference in energy, protein, fat, fish and meats sufficiency rates (p < 0.05) and a higher tendency towards consuming sugar, potassium (K), calcium (Ca), iron (Fe) and Fiber (p < 0.10) in the control group, but there were no significant differences in the other nutrients in the case and control groups. 2) There were significant differences in the number of decayed teeth in the case group, and in the number of filled teeth and decayed teeth in the control group. The gingival condition (CPI = 0) in the case group tended to be higher healthier than the control group, 3) In the MOS questionnaire, the case group was better or not worse in health perceptions scales, pain scales and mental health scales than the control group. 4) In the SAS questionnaire, the case group was better or not worse in the work and the social scales than the control group. It was concluded that oral health, social health and consciousness of health tended to improve by dental intervention.
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PMID:[Effect of professional oral prophylaxis on the general health perceptions and lifestyles in workers of a worksite]. 1469 92

Patients with chronic pain often suffer from sleep disturbances, specifically decreased deep sleep, and thus may get into a vicious circle which maintains their pain condition. Utilizing polysomnography and psychometry, objective and subjective sleep and awakening quality was investigated in 11 patients with nonorganic insomnia (F51.0) related to somatoform pain disorder (SPD; F45.4) as compared with age- and sex-matched healthy controls of the Siesta normative database. Patients demonstrated a markedly deteriorated Pittsburgh Sleep Quality Index, a decreased Quality of Life Index, slightly increased self-reported anxiety (Zung SAS) and depression scores (Zung SDS), as well as an increased Epworth Sleepiness Scale and International Restless Legs Syndrome Scale score. Subjective sleep and awakening quality was markedly reduced, while somatic complaints were increased. Polysomnographic evaluation by a recently developed automatic sleep classifier (Somnolyzer 24 x 7) based on the rules of Rechtschaffen and Kales demonstrated reduced slow-wave sleep (SWS), the target variable in the present study, a decreased stage shift index, increased SWS latency and stage 4 sleep (S4) latency and an increased frequency of shifts from S2 to wakefulness (W) in patients as compared with controls. Minimal oxygen saturation was found decreased, periodic leg movements (PLMs) were increased. In the morning, patients showed deteriorated well-being, drive, mood and wakefulness. There were no significant noopsychic or psychophysiological differences between patients and controls (except for a reduced numerical memory and a slightly increased morning diastolic blood pressure in patients). Subsequent evaluation of the acute effects of 100 mg of a controlled-release formulation of trazodone (Trittico retard) in the patients demonstrated an increase in the target variable SWS, accompanied by a reduction in the number of awakenings and stage shifts. It normalized the frequency of shifts from S2 to W and reduced the frequency of shifts from W to S1, from S1 to S2, as well as from any stage to S1 and S2. Trazodone, however, also significantly reduced the total sleep period and S2 and increased the latency to S1. Moreover, the drug increased the reduced minimal O(2 )saturation, reduced the arousal index and the PLMs-in-wake index and normalized the increased morning diastolic blood pressure. In conclusion, our study demonstrated that SPD induced significant changes in subjective and objective sleep and awakening quality, which were partially mitigated by trazodone therapy. The data on the target variable SWS support our hypothesis of a key-lock principle in the diagnosis and drug treatment of sleep disorders. Our study provided the first evidence on the usefulness of the Somnolyzer 24 x 7 and the Siesta database in clinical practice.
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PMID:Insomnia in somatoform pain disorder: sleep laboratory studies on differences to controls and acute effects of trazodone, evaluated by the Somnolyzer 24 x 7 and the Siesta database. 1583 86

To describe the characteristics of pain experienced by patients with interstitial cystitis (IC) in terms of pain site, severity, and character, we performed a secondary analysis of data from the IC database (ICDB), which was a prospective, longitudinal, cohort study of IC patients. We analyzed the cross-sectional baseline data from 629 patients who had a completed baseline symptom questionnaire. Patients answered questions about whether they had pain or discomfort associated with urinary symptoms over the past 4 weeks and if so, about the location, characteristics, intensity, and frequency of their pain. Logistic regression examined associations between pain location and the presence of urinary symptoms. Analyses were performed using SAS version 8.2 (SAS Institute, Cary, NC, USA) and considered significant at the 5% level. Five hundred and eighty-nine (94%) patients with a mean age of 45 years (SD 14 years) reported baseline pain or discomfort associated with their urinary symptoms. The most common baseline pain site was lower abdominal (80%), with urethral (74%) and low back pain (65%) also commonly reported. The majority of patients described their pain as intermittent, regardless of the pain site. Most patients reported moderate pain intensity, across all pain sites. There was a statistically significant link between pain in the urethra, lower back, and lower abdomen, and urinary symptoms. Patients with IC report pain at several sites other than the bladder, possibly arising from the previously well-described myofascial abnormalities of pelvic floor and abdominal wall present in patients with IC and other chronic pelvic pain syndromes.
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PMID:What is the pain of interstitial cystitis like? 1599 91


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