Mohamed B Hassan1, David O Hodge2, Brian G Mohney3. 1. a Mayo Medical School , Rochester , MN , USA . 2. b Mayo Clinic , Jacksonville , FL , USA , and. 3. c Mayo Clinic , Rochester , MN , USA.
Abstract
BACKGROUND: Children diagnosed with some forms of strabismus were recently found to have an increased risk of developing mental illness by early adulthood. The purpose of this case-controlled study was to determine if adults with non-paralytic forms of strabismus are similarly at an elevated risk for developing mental illness. METHODS: The medical records of all patients diagnosed as adults (≥ 19 years of age) with convergence insufficiency (CI) (n = 118), divergence insufficiency (DI) (n = 80), and small angle hypertropia (HT (n = 99) from January 1, 1985, through December 31, 2004, were retrospectively reviewed. Each case was compared with a sex- and birth date-matched non-strabismic control. The medical records were reviewed for mental health diagnoses, including inpatient and outpatient encounters, psychiatric ER visits, and medication use. RESULTS: Mental health disorders were diagnosed in 65 (55.1%) patients with CI compared to 54 (45.8%) controls (p = 0.15), in 51 (63.8%) patients with DI compared to 42 (52.5%) controls (p = 0.15), and in 63 (63.6%) patients with HT compared to 57 (57.6%) controls (p = 0.38). CI patients were not more likely to have mental health disorders than their controls (p = 0.15). Mental health hospitalizations (p = 0.02), psychiatric medication use (p = 0.04), and unspecified anxiety disorders (p = 0.03) were higher in DI patients compared to controls. HT patients were found to have more generalized anxiety disorders (p = 0.003) than controls. CONCLUSIONS: Adults with some forms of strabismus (DI and HT) appear to have an increased risk of mental illness and its comorbidities, compared to age- and gender-matched non-strabismic controls.
BACKGROUND:Children diagnosed with some forms of strabismus were recently found to have an increased risk of developing mental illness by early adulthood. The purpose of this case-controlled study was to determine if adults with non-paralytic forms of strabismus are similarly at an elevated risk for developing mental illness. METHODS: The medical records of all patients diagnosed as adults (≥ 19 years of age) with convergence insufficiency (CI) (n = 118), divergence insufficiency (DI) (n = 80), and small angle hypertropia (HT (n = 99) from January 1, 1985, through December 31, 2004, were retrospectively reviewed. Each case was compared with a sex- and birth date-matched non-strabismic control. The medical records were reviewed for mental health diagnoses, including inpatient and outpatient encounters, psychiatric ER visits, and medication use. RESULTS:Mental health disorders were diagnosed in 65 (55.1%) patients with CI compared to 54 (45.8%) controls (p = 0.15), in 51 (63.8%) patients with DI compared to 42 (52.5%) controls (p = 0.15), and in 63 (63.6%) patients with HT compared to 57 (57.6%) controls (p = 0.38). CI patients were not more likely to have mental health disorders than their controls (p = 0.15). Mental health hospitalizations (p = 0.02), psychiatric medication use (p = 0.04), and unspecifiedanxiety disorders (p = 0.03) were higher in DI patients compared to controls. HTpatients were found to have more generalized anxiety disorders (p = 0.003) than controls. CONCLUSIONS: Adults with some forms of strabismus (DI and HT) appear to have an increased risk of mental illness and its comorbidities, compared to age- and gender-matched non-strabismic controls.
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