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Biomedical subjects

K Kroenke

Publications and source records attributed to K Kroenke.

124 records · Page 7Linked to original sources
PubMed1982

Eosinophilic radiculomyeloencephalitis: an angiostrongyliasis outbreak in American Samoa related to ingestion of Achatina fulica snails.

For the first time in American Samoa an outbreak of eosinophilic radiculomyeloencephalitis was related to eating giant African snails (Achatina fulica) infected with Angiostrongylus cantonensis. Among 24 Korean fisherman sharing the same infective meal, 16 who ate raw or partially cooked snails became ill; five who ate boiled snails and three who ate none remained well. The ensuing illnesses began within 1-6 days, persisted up to 10 weeks, and were characterized by both peripheral blood and spinal fluid eosinophilia, severe pains, weakness and hyporeflexia of the legs, and dysfunction of the bladder and bowels. Eight patients also had transient hypertension and/or lethargy, and three became comatose. One man died 17 days after eating the infected snails, and maturing larvae of A. cantonensis were found in his spinal cord. Enzyme-linked immunosorbent assay titers for antigens of A. cantonensis were elevated to 1:64 or greater (mean 1:128) in all 10 patients tested. Treatment with thiabendazole had no appreciable effect on the clinical course of the illness.

Adolescent↗
PubMedDate not supplied

Effects of physician awareness of symptom-related expectations and mental disorders. A controlled trial.

OBJECTIVE: To study whether physician awareness of symptom-related expectations and mental disorders reduces unmet expectations or improves patient satisfaction. DESIGN: Prospective, before-after trial, with control (n = 250) and intervention (n = 250) groups. Outcomes were assessed immediately after the index office visit, at 2 weeks, and at 3 months. SETTING: Ambulatory walk-in clinic. PARTICIPANTS: Five hundred adults with physical complaints. Exclusion criteria included upper respiratory tract infection and dementia. Follow-up was accomplished in 100% immediately after the visit, 92.6% at 2 weeks, and 82.6% at 3 months. INTERVENTIONS: Two-hour physician workshop followed by information provided before each visit on patient expectations, illness worry, and Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (DSM-IV) disorders. MEASUREMENTS: Symptom-related expectations, satisfaction with care, symptom improvement, functional status, physician-perceived difficulty of the encounter, visit costs, and use of health care services. RESULTS: Serious illness worry (64%), 1 or more specific expectations (98%), or a DSM-IV disorder (29%) were commonly present in study patients. Intervention patients were less likely to report unmet expectations (odds ratio, 0.52; 95% confidence interval [CI], 0.43-0.97) immediately after the visit and at 2 weeks, less likely to be perceived as difficult by their physician (odds ratio, 0.49; 95% CI, 0.24-0.98), and more likely to be fully satisfied at 2 weeks (odds ratio, 1.63; 95% CI, 1.14-2.00). By 3 months, groups were similar in terms of satisfaction and residual expectations. Symptom improvement occurred in most patients by 2 weeks (70.5%) and 3 months (81.2%), regardless of study group. There was also no difference in patients' serious illness worry during the follow-up. The intervention did not increase visit costs or use of health care services. CONCLUSION: Identifying symptom-related expectations and mental disorders in patients presenting with physical complaints may improve satisfaction with care at 2-week follow-up and physician-perceived difficulty of the encounter.

Ambulatory Care↗
PubMedDate not supplied

Visit-specific expectations and patient-centered outcomes: a literature review.

BACKGROUND: Primary care patients often have certain expectations when visiting physicians, many of which may be undetected. These unmet expectations can affect outcomes such as satisfaction with care. We performed a formal literature review to examine the effect of fulfillment of patients' visit-specific expectations on their satisfaction as well as on health status and compliance. PATIENTS AND METHODS: Included studies were conducted in primary care settings, systematically recruited patients, elicited previsit and/or postvisit expectations relative to specific visits, and measured patient-centered outcomes. Two reviewers abstracted information on study characteristics; types, timing, and method of expectation ascertainment; and outcomes. Disagreements were resolved by consensus. RESULTS: Twenty-three studies were reviewed including 7 trials, 4 cohort studies, and 12 cross-sectional studies. Patients frequently expected information rather than specific physician actions, but physicians often did not accurately perceive patients' visit-specific expectations. In 19 studies that assessed postvisit patient satisfaction, a positive association between meeting patient expectations and overall satisfaction was demonstrated in 11 studies, inconclusive in 3, and not established in 5. In 2 studies assessing physician satisfaction, physicians with access to patients' expectations were more satisfied than those without access. Other outcomes (symptom or disease improvement, health status, test ordering, health care costs, psychological symptoms) were measured in only a few studies, and the results were inconclusive. CONCLUSIONS: Addressing patients' visit-specific expectations appears to affect satisfaction to a modest degree. Future studies should evaluate methods that efficiently elicit, prioritize, and provide patients' previsit expectations for physicians and should examine the longitudinal effect of expectation fulfillment on patient outcomes. Arch Fam Med. 2000;9:1148-1155

Humans↗
PubMedDate not supplied

Identifying patients with depression in the primary care setting: a more efficient method.

OBJECTIVE: To determine if there is a core subset of depressive symptoms that could be used to efficiently diagnose depression after administering the 2-item PRIME-MD a screening questionnaire for depression. METHODS: One thousand patients selected randomly and by convenience from 4 primary care clinics were assessed by PRIME-MD and completed a questionnaire measuring the following validation variables: functional status and well-being, disability days, somatic symptoms, depression severity, suicidal thoughts, health care utilization, and the physician-patient relationship. RESULTS: Four symptoms (sleep disturbance, anhedonia, low self-esteem, and decreased appetite) accounted for virtually all the depression symptom-related variance in functional status and well-being, with 8.3% of patients having 2 of these symptoms and 8.2% having 3 or 4 of these symptoms. There was excellent agreement between diagnosis based on core symptoms and major depression (K= 0.77; overall accuracy rate, 94%). There were significant differences (P<.001) among patients with negative depression screen, 0 to 1, 2, and 3 to 4 core symptoms with scores on each of the validation variables getting progressively worse in these 4 groups. A cutoff point of 2 core symptoms identified all but 3 patients with major depression and an additional 5% of the entire sample without major depression who were significantly (P<.05) worse than patients without depression on each of the validation variables. CONCLUSION: A strategy that includes the use of a 2-item depression screener followed by the evaluation of 4 core depressive symptoms is an efficient and effective way of identifying and classifying primary care patients with depression in need of clinical attention.

Alabama↗
PubMedDate not supplied

The admission urinalysis: impact on patient care.

Although urinalysis is one of the most frequently ordered tests in primary care, its usefulness in screening has not been demonstrated. A retrospective review of 1,607 admission urinalyses for inpatients in a referral/community hospital identified 861 as clinically indicated and 746 as routine. Routine urinalyses were abnormal less frequently than clinically indicated urinalyses (18.1% vs 39.6%) and when abnormal, were responded to less often (33.3% vs 75.4%). Forty-five (6.0%) of the routine urinalyses yielded an abnormality that led to diagnostic action. Of these, 18 were normal on repeat testing and 17 were considered unlikely to represent significant disease. Therefore, only ten (1.3%) of the routine urinalyses affected patient therapy. In eight of these cases, the abnormality was pyuria, of which six proved to be asymptomatic bacteriuria. The admission urinalysis as a routine test had little impact on patient care in the authors' institution.

Adolescent↗
PubMedDate not supplied

Attending rounds: a survey of physician attitudes.

To determine attitudes regarding attending rounds, the authors surveyed all internal medicine residents and attending physicians at the eight Army teaching hospitals. The response rate was 86%, including 166 (76%) of 217 residents and 246 (93%) of 264 attendings. Of 12 educational activities, attending rounds were ranked seventh by residents in their perceived value. Both residents and attendings favored sessions that lasted 90 minutes or less and were held three to four times per week. Most respondents felt case presentations should take 5 minutes or less and be delivered away from the patient's bedside. On average, residents preferred less time at the bedside than did attendings (25% vs. 34% of attending round time). Residents desired substantial control of the agenda for rounds and also wanted to be responsible for one-third of the teaching. The attending-physician attributes that residents valued most highly were fund of knowledge, availability, and relating well to housestaff. Since residents' and attending physicians' attitudes may differ, expectations regarding attending rounds should be clarified at the beginning of a ward rotation so that mutually acceptable goals can be established.

Adult↗
PubMedDate not supplied

Interventions to improve provider diagnosis and treatment of mental disorders in primary care. A critical review of the literature.

The authors conducted a critical review of the literature on interventions to improve provider recognition and management of mental disorders in primary care, searching the MEDLINE database for relevant articles published from 1966 through May 1998 and finding 48 usable controlled studies (27 randomized controlled trials and 21 quasi-experimental studies). Improved diagnosis of mental disorders was reported in 18 of 23 (78%) of the studies examining this outcome and improved treatment in 14 of 20 studies (70%); clinical improvement in psychiatric symptoms or functional status was documented in 4 of 11 and 4 of 8 (36% and 50%, respectively). Considerable study heterogeneity precluded subjecting the literature synthesis to a formal meta-analysis of pooled results; the authors were therefore unable to demonstrate an association between efficacy of an intervention and any specific variables. A variety of interventions and further research may be effective in improving the recognition and management of mental disorders in primary care.

Clinical Trials as Topic↗
PubMedDate not supplied

Clinical predictors of mental disorders among medical outpatients. Validation of the "S4" model.

The authors previously reported four clinical cues that predicted a subgroup of ambulatory patients likely to have depressive and anxiety disorders. The authors' purpose in this study was to validate this model in another cohort of 185 consecutive adult referrals to a rheumatology clinic. The authors found 4 variables important in predicting mental disorders: recent stress (odds ratio [OR]: 3.3, 95% confidence interval [CI]: 1.5-7.1); > 5 somatic symptoms (OR: 4.5, 95% CI: 1.1-9.5); only fair or poor health status (OR: 3.4, 95% CI: 1.6-7.4); and symptom severity (OR: 1.6, 95% CI: 0.8-3.6). There was a stepwise increase in the likelihood of a mental disorder with an increasing number of predictors. The authors conclude that these clinical cues may allow clinicians to select patients in which formal screening for mental disorders would be particularly fruitful.

Adolescent↗
PubMedDate not supplied

A symptom checklist to screen for somatoform disorders in primary care.

Current DSM-IV somatoform diagnoses may inadequately capture many somatizing patients in primary care. By using data from two studies (1,000 and 258 patients, respectively), the authors determined 1) the optimal threshold on a checklist of 15 physical symptoms to screen for a recently proposed somatoform diagnosis, multisomatoform disorder (MSD), and 2) the concordance between MSD and somatization disorder. The optimal threshold for pursuing a diagnosis of MSD was seven or more physical symptoms. The majority (88%) of the patients who met criteria for MSD had either full or abridged somatization disorder. MSD was intermediate between abridged and full somatization disorder in terms of its association with functional impairment, psychiatric comorbidity, family dysfunction, and health care utilization and charges.

Adolescent↗
PubMedDate not supplied

Gender differences in the reporting of physical and somatoform symptoms.

OBJECTIVE: Women have consistently been shown to report greater numbers of physical symptoms. Our aim in this study was to assess gender differences for specific symptoms and to assess how much of these differences were attributable to psychiatric comorbidity. METHOD: Data from the PRIME-MD 1000 study (1000 patients from four primary case sites evaluated with the Primary Care Evaluation of Mental Disorders interview) were analyzed to determine gender differences in the reporting of 13 common physical symptoms. The effect of gender on symptom reporting was assessed by multivariate analysis, adjusting for depressive and anxiety disorders as well as age, race, education, and medical comorbidity. RESULTS: All symptoms except one were reported more commonly by women, with the adjusted odds ratios (typically in the 1.5-2.5 range) showing statistically significant differences for 10 of 13 symptoms. Somatoform (ie, physically unexplained) symptoms were also more frequent in women. Although depressive and anxiety disorders were the strongest correlate of symptom reporting, gender had an independent effect that persisted even after adjusting for psychiatric comorbidity. Gender was the most important demographic factor associated with symptom reporting, followed by education. CONCLUSIONS: Most physical symptoms are typically reported at least 50% more often by women than by men. Although mental disorders are also more prevalent in women, gender influences symptom reporting in patients whether or not there is psychiatric comorbidity.

Adolescent↗
PubMedDate not supplied

Signs, symptoms, and ill-defined conditions in Persian Gulf War veterans: findings from the Comprehensive Clinical Evaluation Program.

OBJECTIVE: The purpose of this study was to analyze the type and frequency of signs, symptoms, and ill-defined conditions (SSID; International Classification of Diseases-9th Revision, Clinical Modification (ICD-9-CM) codes 780-799) identified by physicians evaluating Persian Gulf War veterans; to determine the influence of the extent of evaluation on the type and frequency of SSID diagnoses; and to search for evidence for a new illness, or illness related to wartime exposures, in veterans with ill-defined conditions. METHOD: Comprehensive examinations were provided for 21,579 consecutive Persian Gulf War veterans with symptoms or health concerns after the war. Data recorded on all individuals includes demographics, self-reported exposures, symptoms, and physician-assigned ICD-9-CM primary and secondary diagnoses. A detailed psychosocial history, including a multidisciplinary discussion, was incorporated for a subset of participants. RESULTS: SSID conditions were primary diagnoses for 17.2% of veterans, and either primary or secondary diagnoses for 41.8%. Although some SSIDs were objective conditions (eg, sleep apnea), most were simply symptoms. More comprehensive evaluation, especially the multidisciplinary discussion of findings, decreased the frequency of symptoms as diagnoses and increased the number of DSM-IV psychiatric diagnoses. Ill-defined conditions were not associated with particular self-reported exposures or demographic variables. CONCLUSIONS: Ill-defined conditions identified by physicians in Gulf War veterans are most often symptoms. More definitive, often psychological, diagnoses can be made by increasing the intensity of the evaluation and by multidisciplinary input. Evidence for a new or unique illness related to wartime exposures did not emerge from this analysis.

Adult↗
PubMedDate not supplied

Validation and utility of the patient health questionnaire in diagnosing mental disorders in 1003 general hospital Spanish inpatients.

OBJECTIVE: To determine whether the Spanish version of the patient health questionnaire (PHQ) has validity and utility for diagnosing mental disorders in general hospital inpatients. METHODS: Participants in the study were 1003 general hospital inpatients, randomly selected from all admissions over an 18-month period. All of them completed the PHQ, the Beck Depression Inventory (BDI), and measures of functional status, disability days, and health care use, including length of hospital stay. They also had a structured interview with a mental health professional. RESULTS: A total of 416 (42%) of the 1003 general hospital inpatients had a PHQ diagnosis. There was good agreement between PHQ diagnoses and those of an independent mental health professional (for the diagnosis of any PHQ disorder, kappa = 0.74; overall accuracy, 88%; sensitivity, 87%; specificity, 88%), similar to the original English version of the PHQ in primary care patients. Patients with PHQ diagnoses had more functional impairment, disability days, and health care use than did patients without PHQ diagnoses (group main effects for functional status measures and disability days, p < .001; group main effects for health care use, p < .01). The group main effect for hospital length of stay was not significant. An index of depression symptom severity calculated from the PHQ correlated significantly both with the number of depressive symptoms detected at interview and the total BDI score. PHQ administration was well accepted by patients. CONCLUSIONS: The Spanish version of the PHQ has diagnostic validity in general hospital inpatients comparable to the original English version in primary care.

Adolescent↗
PubMedDate not supplied

Cognitive-behavioral therapy for somatization and symptom syndromes: a critical review of controlled clinical trials.

OBJECTIVE: Few treatments for somatization have been proven effective. In the past decade, however, clinical trials of cognitive-behavioral therapy (CBT) have been promising. Our aim was to critically review and synthesize the evidence from these trials. METHODS: A search of the Medline database from 1966 through July 1999 was conducted to identify controlled trials designed to evaluate the efficacy of CBT in patients with somatization or symptom syndromes. RESULTS: A total of 31 controlled trials (29 randomized and 2 nonrandomized) were identified. Twenty-five studies targeted a specific syndrome (e.g. chronic fatigue, irritable bowel, pain) while 6 focused on more general somatization or hypochondriasis. Primary outcome assessment included physical symptoms, psychological distress and functional status in 28, 26 and 19 studies, respectively. Physical symptoms appeared the most responsive: CBT-treated patients improved more than control subjects in 71% of the studies and showed possibly greater improvement (i.e., a trend) in another 11% of the studies. A definite or possible advantage of CBT for reducing psychological distress was demonstrated in only 38 and 8% of studies, and for improving functional status in 47 and 26%. Group therapy and interventions as brief as 5 sessions proved efficacious. Benefits were sustained for up to 12 months. CONCLUSION: CBT can be an effective treatment for patients with somatization or symptom syndromes. Benefits can occur whether or not psychological distress is ameliorated. Since chronic symptoms are exceptionally common and most studies were conducted in referral populations, the optimal sequencing of CBT in treating primary care patients and the identification of those most likely to accept and respond to therapy should be further evaluated.

Cognitive Behavioral Therapy↗