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Biomedical subjects

C Gavin

Publications and source records attributed to C Gavin.

15 recordsLinked to original sources
PubMed2001

Determinants of functional outcome and healthcare costs in bipolar disorder: a high-intensity follow-up study.

BACKGROUND: Review of published studies reveals few data regarding determinants of the poor functional outcome and high healthcare costs that are characteristic of bipolar disorder. In order to identify potential mechanisms, critical to designing optimal treatment strategies, this longitudinal study investigated (a) the degree to which disease outcome is correlated with functional outcome and direct treatment costs, and (b) whether similar demographic or clinical characteristics predict disease and functional outcome and healthcare costs. METHODS: Disease and functional outcome were assessed in bimonthly structured interviews over 48 weeks in 43 outpatient veterans with bipolar disorder. Direct mental health treatment costs from the VA perspective were determined from the VA database and patient interview. Regression analysis was used to determine association among the three outcome domains, and to identify clinical or demographic variables that predicted each of the three domains. RESULTS: Functional outcome was correlated with depressive, but not manic, symptoms during follow-up. Costs were not correlated with any measure of disease or functional outcome. Several demographic, but not clinical, characteristics predicted functional outcome. In contrast, several clinical, but not demographic, characteristics predicted symptom status. No predictors were associated with direct treatment costs. LIMITATIONS: Subjects were predominantly male veterans of relatively homogeneous social class, followed prospectively for approximately one year in a clinic designed specifically to minimize barriers to care. CONCLUSIONS: Data from this and prior studies indicate that ongoing depressive symptoms are strongly associated with functional outcome, although substantial variance remains unexplained. Optimal models to explain functional outcome and healthcare costs will need to address factors besides simply disease severity and chronicity. The authors present a heuristic paradigm for understanding both the research and therapeutic aspects of these findings.

Activities of Daily Living↗
PubMed1998

Adaptation of a simple patient satisfaction instrument to mental health: psychometric properties.

The authors describe the psychometric properties of a simple patient satisfaction self-report instrument originally developed for use in primary care patients, adapted for use in mental health clinic patients of varied educational and socioeconomic backgrounds. The instrument demonstrated a single major principal component, high internal consistency reliability, high test-retest reliability, and sensitivity to change with experimental manipulations in clinical programming. The results also indicate that patient satisfaction is unidimensional in mental health patients as it is for primary care patients.

Adult↗
PubMed1997

Predictors of service utilization in veterans with bipolar disorder: a prospective study.

This study prospectively followed 103 bipolar patients enrolled in a VA treatment program for 1 year. Mental health service utilization was recorded and aggregated using the VA Cost Distribution Report. We hypothesized that previously reported predictors of disease severity would also predict service utilization, and that several other predictors of service utilization might also be identified. Analyses indicated that only the presence of a major affective episode at clinic intake and a recalled history of childhood physical abuse predicted mental health service utilization. Contrary to expectations, previously reported predictors of disease severity were not significant predictors. Implications for the study of economic outcome are discussed. In particular, we propose that economic outcome is a complex function of both patient and system factors, rather than simply being passively driven by disease severity.

Adult↗
PubMed1997

Disordered sleep and noncompliance in a patient with end-stage renal disease.

Sleep disorders are relatively common in patients with end-stage renal disease, but the diagnosis may be difficult to establish because of the similarity of uremic symptoms to those of the sleep apnea syndrome. After excluding anatomic and metabolic disorders associated with excessive sleepiness and disordered breathing in sleep and after ensuring that the patient is receiving adequate dialysis, the sleep disorder should be diagnosed using polysomnography. Continuous positive pressure airway breathing is an effective treatment for hemodialysis patients with obstructive sleep apnea syndrome, but the use of this machinery requires patient compliance, as does the delivery of an adequate amount of dialysis. The difficulties adjusting to end-stage renal disease requiring dialysis can be multiplied by the coexistence of a sleep disorder that requires some ventilatory assistance at night; the case presented in this article characterizes precisely that circumstance.

Attitude to Health↗
PubMed1997

Cranial and peripheral neuropathy due to Epstein-Barr virus infection.

A case of Epstein-Barr virus infection with neurological complications is described. An 18-year-old man developed cranial neuropathy and peripheral sensorimotor polyneuropathy three weeks after a sore throat. Though severely affected initially, he made a good recovery and no specific therapeutic intervention appears to have influenced his clinical course.

Abducens Nerve↗
PubMed1997

Impact of an easy-access VA clinic-based program for patients with bipolar disorder.

OBJECTIVE: The study examined the impact of easy access to ambulatory services for patients with bipolar disorder in a clinic-based program at a Veterans Affairs medical center. Core program components included medication administration based on treatment algorithms, standardized psychoeducation, and easy access to a single primary nurse provider to enhance continuity of care. The program had no community outreach or extensive rehabilitation components. METHODS: The study used a mirror-image design to compare patients' data from the year before program entry when patients received standard clinical care with data for the first year in the program. Process and outcome data from the first 103 patients to complete one year are reported. RESULTS: The findings indicated increased patient satisfaction and increased intensity of medication treatment without increased side effects at one year. Although scheduled ambulatory clinic visits increased as expected, use of the emergency room and the psychiatric triage team decreased significantly. Patients who were high utilizers of care before program entry experienced significant reductions in psychiatric hospital days and total mental health expenditures. CONCLUSIONS: Easy access to ambulatory care, even if limited to clinic-based services, may have beneficial effects on important process and outcome measures for bipolar disorder. These effects may be attributable to on-demand access to services, continuity of care with a single primary provider, or improved medication delivery to reduce the "efficacy-effectiveness gap" for patients with bipolar disorder. Results indicate that augmenting, rather than limiting, access to ambulatory care for patients with major mental illnesses such as bipolar disorder may reduce overall mental health expenditures.

Adult↗
PubMedDate not supplied

Methylprednisolone in acute spinal cord injuries.

BACKGROUND: Methylprednisolone is the only neuroprotective therapy advocated in acute non-penetrating spinal cord injury. Trials indicate improved neurological outcome following early administration of a high dose regime. The National Spinal Injuries Unit (NSIU) has promoted this regime by a simple laminated poster sent to all Irish A&E departments. AIM: To assess the use of methylprednisolone in patients with spinal cord injuries. METHODS: A retrospective audit of patient data for all patients admitted with traumatic neurological impairment over a 12-month period. RESULTS: One hundred ninety-six patients were admitted during the study period, 28 (14%) received intravenous methylprednisolone of which six had clear records documenting compliance. One patient received both dexamethasone and methylprednisolone in high doses and three had incorrect bolus dosages administered. Six patients received methylprednisolone infusion longer than the protocol, while five patients were given infusions shorter than recommended. Three patients were admitted to the unit that could have received the steroid regime at the point of transfer. CONCLUSIONS: There was poor documentation of prescription orders and timing of administration. Only six patients had clear documentation allowing confirmation of adherence to the protocol of the National Acute Spinal Cord Injury Study (NASCIS) III trial.

Acute Disease↗