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Willner P, Benton D, Brown E, Cheeta S, Davies G, Morgan J, Morgan M. "Depression" increases "craving" for sweet rewards in animal and human models of depression and craving. Psychopharmacology (Berl) 1998; 136:272-83. [PMID: 9566813 DOI: 10.1007/s002130050566] [Citation(s) in RCA: 138] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This study consisted of two experiments, one in rats and one in human volunteers, that used the identical progressive ratio (PR) operant procedure. In both experiments, responding was reinforced under a progressively increasing work requirement, and different groups of subjects received reinforcers that varied in sweetness. In experiment 1, rats were subjected to chronic mild stress, a well-validated animal model of depression. Performance under the PR schedule increased in subjects reinforced with conventional precision pellets (which contain 10% sucrose) or very sweet pellets, but not in subjects reinforced with sugar-free pellets. In experiment 2, volunteers were subjected to a depressive musical mood induction. Performance under the PR schedule increased in subjects reinforced with chocolate buttons, but not in subjects reinforced with with buttons made from the relatively unpalatable chocolate substitute carob. In experiment 2, depressive mood induction also increased chocolate craving, as measured by a novel questionnaire, and there were significant correlations between chocolate craving and chocolate-reinforced PR performance. These results suggest that performance under the PR schedule provides a measure of craving rather than reward, and that craving for sweet rewards is increased by depressive mood induction in both animal and human models. Implications for the interpretation of pharmacological studies using the PR procedure are also discussed.
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Dombernowsky P, Smith I, Falkson G, Leonard R, Panasci L, Bellmunt J, Bezwoda W, Gardin G, Gudgeon A, Morgan M, Fornasiero A, Hoffmann W, Michel J, Hatschek T, Tjabbes T, Chaudri HA, Hornberger U, Trunet PF. Letrozole, a new oral aromatase inhibitor for advanced breast cancer: double-blind randomized trial showing a dose effect and improved efficacy and tolerability compared with megestrol acetate. J Clin Oncol 1998; 16:453-61. [PMID: 9469328 DOI: 10.1200/jco.1998.16.2.453] [Citation(s) in RCA: 487] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
PURPOSE To compare two doses of letrozole and megestrol acetate (MA) as second-line therapy in postmenopausal women with advanced breast cancer previously treated with antiestrogens. PATIENTS AND METHODS Five hundred fifty-one patients with locally advanced, locoregionally recurrent or metastatic breast cancer were randomly assigned to receive letrozole 2.5 mg (n = 174), letrozole 0.5 mg (n = 188), or MA 160 mg (n = 189) once daily in a double-blind, multicenter trial. Data were analyzed for tumor response and safety variables up to 33 months of follow-up evaluation and for survival up to 45 months. RESULTS Letrozole 2.5 mg produced a significantly higher overall objective response rate (24%) compared with MA (16%; logistic regression, P = .04) or letrozole 0.5 mg (13%; P = .004). Duration of objective response was significantly longer for letrozole 2.5 mg compared with MA (Cox regression, P = .02). Letrozole 2.5 mg was significantly superior to MA and letrozole 0.5 mg in time to treatment failure (P = .04 and P = .002, respectively). For time to progression, letrozole 2.5 mg was superior to letrozole 0.5 mg (P = .02), but not to MA (P = .07). There was a significant dose effect in overall survival in favor of letrozole 2.5 mg (P = .03) compared with letrozole 0.5 mg. Letrozole was significantly better tolerated than MA with respect to serious adverse experiences, discontinuation due to poor tolerability, cardiovascular side effects, and weight gain. CONCLUSION The data show letrozole 2.5 mg once daily to be more effective and better tolerated than MA in the treatment of postmenopausal women with advanced breast cancer previously treated with antiestrogens.
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380
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Morgan M, McDonnell S. Modulation of metalloproteinase expression in trophoblast cell lines by cytokines. Biochem Soc Trans 1998; 26:S52. [PMID: 10909810 DOI: 10.1042/bst026s052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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381
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Rabbani U, Morgan M, Barnett O. A COSTAR interface using WWW technology. Proc AMIA Symp 1998:703-7. [PMID: 9929310 PMCID: PMC2232163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023] Open
Abstract
The concentration of industry on modern relational databases has left many nonrelational and proprietary databases without support for integration with new technologies. Emerging interface tools and data-access methodologies can be applied with difficulty to medical record systems which have proprietary data representation. Users of such medical record systems usually must access the clinical content of such record systems with keyboard-intensive and time-consuming interfaces. COSTAR is a legacy ambulatory medical record system developed over 25 years ago that is still popular and extensively used at the Massachusetts General Hospital. We define a model for using middle layer services to extract and cache data from non-relational databases, and present an intuitive World-Wide Web interface to COSTAR. This model has been implemented and successfully piloted in the Internal Medicine Associates at Massachusetts General Hospital.
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Navamani M, Morgan M, Williams RJ. Ethanol modulates N-methyl-D-aspartate-evoked arachidonic acid release from neurones. Eur J Pharmacol 1997; 340:27-34. [PMID: 9527503 DOI: 10.1016/s0014-2999(97)01396-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Glutamate-evokes a Ca2+-dependent release of arachidonic acid from cultured neurones via the activation of NMDA and AMPA receptors. In this study we investigated whether exposing cultured striatal neurones either acutely or chronically to ethanol would modify these responses. Acute ethanol (100 mM, 15 min) inhibited the liberation of arachidonic acid evoked by a maximally effective concentration of glutamate, an affect which appeared to be mediated primarily by a reduction in NMDA receptor responsiveness. In contrast, chronic ethanol exposure caused a dose-dependent increase in the glutamate, N-methyl-D-aspartate (NMDA) and alpha-amino-3-hydroxy-5-methylisoxazole-4-propionate (AMPA) evoked release of arachidonic acid, although ethanol was less potent at the AMPA response. Basal responses were not altered by acute or chronic ethanol and the concentrations of ethanol employed were not toxic. Chronic ethanol (100 mM, 48 h) increased NMDA-mediated neuronal damage at sub-maximal concentrations of the agonist, suggesting that an enhanced mobilisation of arachidonic acid may underly the potentiated excitotoxic neuronal loss observed following exposure to ethanol.
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383
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Morgan M, Matthey S, Barnett B, Richardson C. A group programme for postnatally distressed women and their partners. J Adv Nurs 1997; 26:913-20. [PMID: 9372395 DOI: 10.1046/j.1365-2648.1997.00433.x] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A group programme for postnatally distressed women and their partners is described. The programme consists of eight sessions, including one session for the couple. The concerns of the women centre around their anxieties and feelings towards their partners, their own mothers and their infants. Psychotherapeutic and cognitive-behavioural strategies are employed to assist them in dealing with these concerns. The concerns of the men centre around their attempts to provide emotional and practical support to their partner. Invariably such support results in an increase in tension between the partners, and the programme helps the men to understand why this happens. Formal measures show a decrease in maternal distress over time and an increase in their level of self-esteem. About half of the men show elevated levels of distress.
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384
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Rapkin AJ, Morgan M, Goldman L, Brann DW, Simone D, Mahesh VB. Progesterone metabolite allopregnanolone in women with premenstrual syndrome. Obstet Gynecol 1997; 90:709-14. [PMID: 9351749 DOI: 10.1016/s0029-7844(97)00417-1] [Citation(s) in RCA: 214] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE To evaluate the anxiolytic 3alpha-5alpha-reduced progesterone metabolite allopregnanolone in the luteal phase of the menstrual cycle in women with premenstrual syndrome (PMS) and controls. METHODS Thirty-five women with prospectively documented PMS and 36 controls were evaluated. Serum progesterone and allopregnanolone levels were measured on days 19 and 26 of the cycle as determined by urinary LH detection kits. Analysis of variance and Student t tests were used to analyze the data. RESULTS Allopregnanolone levels were significantly lower on day 26 in the PMS group than in controls (3.6 +/- 0.8 versus 7.5 +/- 1.3 ng/mL; P < .04). Significant differences in the ratio of the metabolite to progesterone also were noted, with a smaller ratio in the PMS subjects (0.9 +/- 0.3 versus 3.2 +/- 1.3 ng/mL; P < .05). There were no significant differences between the PMS and control groups with respect to serum progesterone levels. CONCLUSION Subjects with PMS manifested lower levels of the anxiolytic metabolite allopregnanolone in the luteal phase when compared with controls. Diminished concentrations of allopregnanolone in women with PMS may lead to an inability to enhance gamma aminobutyric acid-mediated inhibition during states of altered central nervous system excitability, such as ovulation or physiologic or psychological stress. The lowered metabolite levels could contribute to the genesis of various mood symptoms of the disorder, such as anxiety, tension, and depression.
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385
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Harvey I, Frankel S, Marks R, Shalom D, Morgan M. Foot morbidity and exposure to chiropody: population based study. BMJ (CLINICAL RESEARCH ED.) 1997; 315:1054-5. [PMID: 9366731 PMCID: PMC2127689 DOI: 10.1136/bmj.315.7115.1054] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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386
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Querci della Rovere G, Morgan M, Patel A, Steele Y, Warren R. A way to reduce the number of benign breast biopsies in a screening programme. Breast 1997. [DOI: 10.1016/s0960-9776(97)90063-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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387
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Morgan M, Lang S, Wood P, Crosland L, May K, Fryer N. Putting the issue straight over HIV and breast milk. NURSING TIMES 1997; 93:21. [PMID: 9362897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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388
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Abstract
There has been little research in Britain into the experiences of doctors who are ill. We conducted in-depth interviews with 64 doctors of all grades with a recent illness lasting one month or more. Whether the illness was physical or psychiatric, many expressed the idea that illness is inappropriate for doctors. This idea is a cultural value among doctors which is reinforced by the organization of medical work. It discourages doctors from seeking and obtaining appropriate help when they are ill.
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389
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Morgan M, Behnke JM, Lucas JA, Peberdy JF. In vitro assessment of the influence of nutrition, temperature and larval density on trapping of the infective larvae of Heligmosomoides polygyrus by Arthrobotrys oligospora, Duddingtonia flagrans and Monacrosporium megalosporum. Parasitology 1997; 115 ( Pt 3):303-10. [PMID: 9300468 DOI: 10.1017/s0031182097001297] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The influence of nutrient level, temperature and larval density on the trapping of Heligmosomoides polygyrus L3 by the nematophagous fungi Arthrobotrys oligospora, Duddingtonia flagrans and Monacrosporium megalosporum were investigated by quantification of trapped nematodes. All 3 factors were found to have a significant effect on the number of larvae trapped by A. oligospora and M. megalosporum. Decreased nutrient concentrations resulted in increased trapping for these 2 fungi, but nutrient availability was not found to have a significant effect on trapping by D. flagrans. The 3 fungi were found to have similar responses to temperature, with peak trapping occurring at or near the optimum growth temperatures. Nematode trapping was found to be density dependent for all 3 fungi, with increased percentage trapping at increased larval densities. Comparison in a single experiment of the relative importance of these factors to each fungus showed that nutrient level was the main factor influencing trapping by A. oligospora, whereas D. flagrans and M. megalosporum were more dependent on larval density.
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McKevitt C, Morgan M, Dundas R, Holland WW. Sickness absence and 'working through' illness: a comparison of two professional groups. JOURNAL OF PUBLIC HEALTH MEDICINE 1997; 19:295-300. [PMID: 9347453 DOI: 10.1093/oxfordjournals.pubmed.a024633] [Citation(s) in RCA: 158] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
BACKGROUND Few studies have investigated occupational groups reporting low rates of sickness absence because of an assumption that these rates indicate low morbidity. This is inconsistent with the view that sickness absence, which may be caused by social and psychological rather than medical factors, does not equate with morbidity. This paper investigates rates of sickness absence and factors influencing decisions not to take sick leave among doctors and a comparative professional group. METHODS A postal survey was sent to 670 general practitioners (GPs), 669 hospital doctors and 400 company 'fee earners'. Qualitative interviews were conducted with 64 doctors reporting an illness lasting one month or more in the last three years. RESULTS Self-reported health status was similar for both groups but GPs reported higher levels of occupational stress. However, doctors were significantly less likely to report short periods of sick leave in the previous year. Over 80 per cent of all respondents had 'worked through' illness, citing cultural and organizational factors behind their decision not to take sick leave. Barriers to sick leave among doctors included the difficulty of arranging cover and attitudes to their own health. CONCLUSIONS Considerable emphasis has been given to the role of social factors in contributing to rates of sickness absence. These may also contribute to the decision not to take sick leave, resulting in possible inappropriate non-use. Measures to encourage and enable doctors to take sick leave might improve the management of their own health.
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391
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Evans W, Morgan M, Johnson I, Baltutis L. Occlusal caries diagnosis and treatment. Aust Dent J 1997; 42:269-70. [PMID: 9316316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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392
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Kalichman SC, Kelly JA, Morgan M, Rompa D. Fatalism, current life satisfaction, and risk for HIV infection among gay and bisexual men. J Consult Clin Psychol 1997; 65:542-6. [PMID: 9256554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
This study surveyed 430 men at an urban gay pride celebration to assess fatalism, current life satisfaction, and perceived expected years of life among men who have sex with men. Analyses showed that men who engaged in unprotected anal intercourse outside of exclusive relationships reported a greater fatalistic outlook, were more dissatisfied with life, and perceived a shorter life for themselves than men who practiced only safer sex and men who were in exclusive relationships. Gay men in exclusive relationships scored higher than nonexclusively partnered gay men on the measure of current life satisfaction. These results suggest that efforts to prevent HIV infection among gay men should include building personal self-worth, support of long-term relationships, and future goal orientations.
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393
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Perez RV, Swanson C, Morgan M, Erickson K, Hubbard NE, German JB. Portal venous transfusion up-regulates Kupffer cell cyclooxygenase activity: a mechanism of immunosuppression in organ transplantation. Transplantation 1997; 64:135-9. [PMID: 9233713 DOI: 10.1097/00007890-199707150-00023] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Portal venous transfusions (PVTs) of blood have been shown to induce significant immunosuppression in animal models of organ transplantation. A proposed mechanism of PVT-induced immunosuppression is via alteration of Kupffer cell arachidonic acid metabolism with increased secretion of the suppressive metabolite prostaglandin E2 (PGE2). This study assessed the hypothesis that PVT increases Kupffer cell PGE2 production via up-regulation of Kupffer cell phospholipase A2 (PLA2) as well as constitutive (COX1) and inducible (COX2) cyclooxygenase. Kupffer cells from Lewis rats were harvested 1 hr after PVT with either 1 ml of Wistar-Furth blood, systemic transfusion (SVT), or saline via portal vein (PVSal). After lipopolysaccharide stimulation, 24-hr Kupffer cell supernatant fractions were assayed for PGE2. PGE2 was increased after SVT (1465+/-234 pg/ml) compared with PVSal (597+/-99; P<0.01). PVT increased Kupffer cell PGE2 (5370+/-533; P<0.001 vs. SVT and vs. PVSal) even more substantially. Kupffer cells from PVT-treated rats were then cultured in the presence of inhibitors of PLA2, COX1, or COX2. When Kupffer cells were treated with mepacrine to inhibit PLA2 (5575+/-453 pg/ml), PGE2 production was not different from that by PVSal-treated controls (6467+/-614 pg/ml), but when Kupffer cells were incubated in the presence of the COX1 inhibitor flurbiprofen (3512+/-407 pg/ml) or the COX2 inhibitor nimesulide (2800+/-830 pg/ml), production was decreased 46.7% and 56.7%, respectively, over control activity without added inhibitor. PVT also increased Kupffer cells COX1 and COX2 mRNA as measured by Northern blot. Heart transplants were then performed from Wistar-Furth donors into Lewis recipients at the time of PVT, SVT, PVSal, or PVT + indomethacin (COX1/2 inhibitor). PVT prolonged allograft survival (12.0+/-0.9 days) compared with PVSal (6.3+/-0.3; P<0.01) or SVT (6.3+/-0.3; P<0.04). Indomethacin shortened graft survival when given with PVT (6.5+/-0.3 days). In summary, PVT increased Kupffer cell PGE2 production, up-regulated transcription of Kupffer cells COX1 and COX2 mRNA, and prolonged cardiac allograft survival. COX1/2 inhibition abrogated the effect of PVT. The results indicated that the immunosuppressive effect of PVT may be mediated by up-regulation of Kupffer cell COX1 and COX2. Manipulation of Kupffer cell arachidonic acid metabolism may be useful in augmentation of PVT-induced immunosuppression.
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Abstract
Pilomatricoma is a distinctive tumor characterized by a dual population of proliferating basophilic cells and diagnostic shadow cells, believed to arise from the hair matrix. The normal hair matrix undergoes defined cycles of growth (anagen), regression (catagen), and resting (telogen) that are regulated by programmed cell death (apoptosis). bcl-2 is a proto-oncogene that helps to suppress apoptosis in both benign and malignant tumors. In addition, both apoptosis and bel-2 are critical factors in normal hair follicle development. In order to clarify the role of bcl-1, we used immunohistochemical means to study 10 cases of histologically proven pilomatricoma for bcl-2 expression. The study design included both positive and negative controls. All of the pilomatricomas in our series were strongly decorated by bcl-2 immunostaining. Based on our findings of increased bcl-2 staining, we concluded that the faulty suppression of apoptosis contributes to the pathogenesis of pilomatricoma.
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Abstract
Cavernous lymphangioma is a benign congenital lesion that usually appears in childhood. It rarely presents in the adult but may be diagnosed at this late stage due to the slow growing nature of the tumour. It is rarely found in the salivary glands and when it does occur, the gland is usually incorporated by lymphangioma of surrounding tissue. We present and discuss the case of a cavernous lymphangioma in the parotid gland of an adult male.
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Cantillon P, Morgan M, Dundas R, Simpson J, Bartholomew J, Shaw A. Patients' perceptions of changes in their blood pressure. J Hum Hypertens 1997; 11:221-5. [PMID: 9185026 DOI: 10.1038/sj.jhh.1000432] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVES (1) To investigate patients' experience of changes in their blood pressure (BP) in an every day setting and the accuracy of patients' predictions; and (2) to examine what influences patients' belief that they can tell when their BP is up. SUBJECTS A total of 102 hypertensive patients were recruited sequentially as they presented for routine BP checks. The setting was an inner city general practice. DESIGN Patients attended for BP checks on a weekly basis. Before each check they were asked whether they thought their BP was higher, lower or the same as usual. Subjects were classified as predictors if they thought they could tell when their BP was up. On completing their series of BP checks each subject completed symptom and Hospital Anxiety and Depression questionnaires. MAIN OUTCOME MEASURES Accuracy of BP predictions, BP levels and variability, number of symptoms reported and anxiety level. RESULTS One hundred and two hypertensive patients entered the study of whom 51 patients were predictors. The majority (86%) of predictors could not accurately predict their BP. There were no significant differences in either BP or variability between predictors and non-predictors. Predictors were significantly more anxious and reported more symptoms than non-predictors. CONCLUSIONS For the majority of predictors there is no significant relationship between predictions of BP and clinical measurements. Predictor status is associated with the reporting of more symptoms and higher levels of anxiety. Doctors should counsel patients against using subjective BP assessments to guide their use of antihypertensive medication.
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398
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Morgan M, Grube JW. Correlates of change in adolescent alcohol consumption in Ireland: implications for understanding influences and enhancing interventions. Subst Use Misuse 1997; 32:609-19. [PMID: 9141179 DOI: 10.3109/10826089709027315] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Studies of two similar cohorts of students in Ireland in 1984 and 1992 showed a dramatic increase in the consumption of alcohol, especially in the frequency with which students reported being drunk. A comparison of measures obtained at both times showed that there were major changes with regard to beliefs about consequences of alcohol consumption in a direction favorable to consumption as well as increases in the perceived social support for drinking. However, there were no strong indications that changes in problem behavior were associated with the observed increases in drinking patterns. These results are supportive of some explanatory models of initiation to substance use and have associated implications for programs designed to reduce consumption.
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Abstract
Plasma cholinesterase is an enzyme which has importance to the anaesthetist primarily for its role in the metabolism of suxamethonium, although other anaesthetic related drugs that this enzyme metabolises are also increasingly important. In this article we review current thoughts on the function, profile and chemistry of plasma cholinesterase. Causes of variations in the activity of the enzyme are described and the basis of genetic variations is explained.
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400
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Reemtsma K, Morgan M. Outcomes assessment: a primer. BULLETIN OF THE AMERICAN COLLEGE OF SURGEONS 1997; 82:34-9. [PMID: 10166193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
The routine assessment of outcomes, including clinical and functional outcomes, charges, cost and effectiveness data, and complications of treatment, as well as HRQOL and patient satisfaction, are essential to demonstrate and ensure the quality of care. Secondary to patient-related concerns, outcomes data provide a tool for use by the surgeon in proving (and improving) the quality of care rendered. These tools, as well as surgical input into the development of outcomes indicators, will allow surgeons to practice more effectively in a managed care environment.
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