Surrogate consent for living related organ donation.
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Adult↗
Biomedical subjects
Stanley Korenman
Publications and source records attributed to Stanley Korenman.
Erection quality scale: initial scale development and validation.
OBJECTIVES: The Erection Quality Scale (EQS) is a new, self-report measure for assessing the quality of penile erections. It is intended to complement existing diagnostic and outcome measures (eg, International Index of Erectile Function, Sexual Encounter Profile) in both clinical practice and outcomes research in erectile dysfunction (ED). METHODS: The initial phases of development and psychometric validation of the EQS are described. Specifically, qualitative research in patients and healthy men was used to generate relevant constructs. On the basis of the findings from these phases, and recommendations from an expert panel, seven constructs were selected for inclusion. Multiple items with different formats were drafted to measure each of the key constructs. An iterative process of cognitive testing, item revision, and item reduction was used to identify the 15 most appropriate items and their optimal response scales. This version of the scale was tested in a 200-subject discriminant validity study designed to gather data for a psychometric evaluation. Participants were classified into ED-untreated, ED-treated, and healthy control groups to evaluate the discriminant validity of the measure in men with different levels of erectile function. RESULTS: The study results supported a robust single-factor structure, indicating that the EQS provides an overall index of erection quality. An intraclass correlation coefficient of 0.85 denotes adequate test-retest reliability. Furthermore, the EQS correlated well with existing measures and differentiated patients from the three ED classifications, a preliminary indication of discriminant validity. CONCLUSIONS: The findings presented provide evidence of the scale's potential utility for measuring erection quality in future studies.
Adult↗
Peripheral thyroid hormones and response to selective serotonin reuptake inhibitors.
OBJECTIVE: To examine the relation between baseline measurements of thyroid function and response to selective serotonin reuptake inhibitors (SSRIs) and to consider the effect of these antidepressants on thyroid hormone levels. METHODS: Nineteen subjects with major depression, but without a history of thyroid treatment or lithium treatment, were treated openly with either sertraline or fluoxetine in a university- affiliated tertiary care hospital. Hamilton Depression Rating Scale (Ham-D) scores were measured before and after treatment. Clinical Global Impressions (CGI) scores were measured at study end. Thyroid data, consisting of values for thyroid-stimulating hormone (TSH), triiodothyronine (T(3), measured by radioimmunoassay [RIA]), thyroxine (T(4), measured by RIA) and free T(4), were collected before and after treatment. Complete thyroid data were available for 17 subjects. Data were collected during 1997-1999. RESULTS: Baseline TSH correlated strongly with response to treatment as measured by change in Ham-D scores (r = 0.64, p = 0.003). Low TSH values correlated with greater improvement in depressive symptoms. Thyroid hormone levels decreased with treatment, but these decreases did not correlate with clinical improvement. CONCLUSION: Baseline thyroid function, as measured by serum TSH, may predict a patient's response to antidepressant treatment with SSRIs. Optimal thyroid function, beyond simply being within the normal laboratory values, may be necessary for an optimal response to antidepressants.
Adolescent↗