Reliability and validity of a new sexual function questionnaire (Nagoya Sexual Function Questionnaire) for schizophrenic patients taking antipsychotics

Kikuchi, Tsutomu; Iwamoto, Kunihiro; Sasada, Kazumi; Aleksić, Branko; Yoshida, Keizo; Ozaki, Norio

doi:10.1002/hup.1205

Cited by 14 publications

(9 citation statements)

References 26 publications

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“…Nagoya Sexual Function Questionnaire (NSFQ) 29 : This is a 7-item self-rated questionnaire for the assessment of sexual functioning. It covers various domains of sexual functioning over the last 1 month in patients with schizophrenia who are taking antipsychotic drugs.…”

Section: Scales Assessing Multiple Domains Of Sexual Dysfunctionmentioning

confidence: 99%

Assessment Scales for Sexual Disorders—A Review

Grover

Shouan

2020

Journal of Psychosexual Health

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Over the last 3 to 4 decades then has been an upsurge in designing rating instruments for assessing various aspects of sexuality, sexual dysfunction, and sexual disorders. In this article, we review the instruments used for assessing/rating various sexual disorders stemming from problems in the areas of sexual knowledge to erection/ejaculation to marital functioning, etc. Some of the available scales focus on all the phases of the sexual cycle, whereas other scales focus on the specific phases of the sexual cycle. Some of the commonly used scales, which assess multiple domains of sexual dysfunction include the Arizona Sexual Experience Scale or the International Index of Erectile Dysfunction. Some of the scales focus on other disorders such as Dhat syndrome. Though a lot of scales are available, there is a paucity of culturally sensitive, translated-validated scales. Although rating instruments provide us with valuable information about the sexual functioning of an individual, these should always be used as an add-on, ie, secondary to detailed taking and clinical examination for making any diagnosis or formulation of a management plan.

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Section: Scales Assessing Multiple Domains Of Sexual Dysfunctionmentioning

confidence: 99%

Assessment Scales for Sexual Disorders—A Review

Grover

Shouan

2020

Journal of Psychosexual Health

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“…The influence of side effects on satisfaction may be clarified in future studies using a larger number of subjects in the S-SGA and NS-SGA groups. To identify the needs of patients with chronic schizophrenia, questionnaires are one of the best methods for patients to report their distress without involving difficult verbal communication 7) ;…”

Section: Discussionmentioning

confidence: 99%

“…The use of questionnaires is one of the best methods for allowing patients to report their distress without involving difficult verbal communication 7) . Rather than reporting the distress in qualitative interviews, self-administered questionnaires are preferred for revealing hidden distress 8) .…”

Section: Introductionmentioning

confidence: 99%

Satisfaction and Side Effects in Outpatients with Schizophrenia Medicated with Antipsychotics

Sato-Ichikawa

Ohnuma

Shimazaki

et al. 2014

Juntendo Medical Journal

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Objective:The aim of the present study was to investigate hidden distress originating from the expected pharmacological features in clinical practice using questionnaires, one of the best methods to communicate distress without the difficulties of verbal communication. Patients:We studied 57 Japanese outpatients with schizophrenia, including 21 taking only first-generation antipsychotics, 20 taking only sedative second-generation antipsychotics, 5 taking only non-sedative second-generation antipsychotics and 11 taking both types of antipsychotics. Methods: The questionnaire comprised from the Treatment Satisfaction Questionnaire for Medication version 1.4 (TSQM). The side effects scale from TSQM was further investigated with the Side Effect Questionnaire. Results: Regarding satisfaction, effectiveness were significantly higher in patients medicated with first-generation antipsychotics than in those medicated with both generations of antipsychotics. Convenience were significantly lower in patients medicated with both generations of antipsychotics than in those medicated with first-generation or sedative second-generation antipsychotics. No significant difference among the groups was found regarding side effects. Conclusions:For outpatients voluntarily receiving pharmacotherapy, side effects were not the main dissatisfaction factor because these were controlled to a certain extent in practical treatment. For these patients, convenience and effectiveness were the most important factors for their satisfaction.

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“…The following symptom ratings were examined: the Clinical Global Impression Scales-Severity (CGI-S) [20], the Brief Psychiatric Rating Scale (BPRS) [21], and sexual function from the NSFQ. The NSFQ is a self-administered sexual function scale [8] that consists of 7 items. Each item is evaluated on a 6-point scale: 1 Collection of blood samples for plasma isolation was performed at baseline and at weeks 4, 8, 12, and 24.…”

Section: Methodsmentioning

confidence: 99%

“…Particularly in Asia, owing to the social and cultural background, few studies have been conducted on sexual dysfunction in schizophrenic patients [7]. Therefore, we created a new user-friendly sexual function questionnaire called the Nagoya Sexual Function Questionnaire (NSFQ) [8]. Based on assessment using the NSFQ in Japanese schizophrenic patients, the prevalence of sexual dysfunction was approximately 70 % in male patients and 80 % in female patients [9].…”

Section: Introductionmentioning

confidence: 99%

Effect of Adjunctive Aripiprazole on Sexual Dysfunction in Schizophrenia: A Preliminary Open-Label Study

et al. 2016

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Although adjunctive aripiprazole improves hyperprolactinemia, sufficient evidence for its effects on sexual dysfunction has not been obtained. We assessed the usefulness of adjunctive aripiprazole for schizophrenia with sexual dysfunction. 22 Japanese schizophrenia patients with antipsychotic-induced hyperprolactinemia and sexual dysfunction were enrolled, and 19 of them completed the study. Aripiprazole was administrated in a flexible titration schedule to participants according to the judgment of each doctor, and patients were followed for 24 weeks. Serum prolactin, Clinical Global Impression Scales-Severity (CGI-S), and Nagoya Sexual Function Questionnaire (NSFQ) were measured at baseline and at 4, 8, 12, and 24 weeks. Prolactin at week 4 and later was significantly lower than that at baseline. Compared to baseline, we observed a significant improvement in total sexual dysfunction as measured by NSFQ at week 8 and later. In males, erectile dysfunction was significantly reduced at week 24. In females, menstrual irregularity and galactorrhea were significantly reduced at week 24. CGI-S did not significantly change. Although the small sample size is a limitation in this study, adjunctive aripiprazole may be useful treatment for sexual dysfunction including hyperprolactinemia in schizophrenia.

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Reliability and validity of a new sexual function questionnaire (Nagoya Sexual Function Questionnaire) for schizophrenic patients taking antipsychotics

Abstract: This study revealed the internal consistency, test-retest reliability, and convergent and discriminant validities of the NSFQ.

Cited by 14 publications

References 26 publications

Assessment Scales for Sexual Disorders—A Review

Assessment Scales for Sexual Disorders—A Review

Satisfaction and Side Effects in Outpatients with Schizophrenia Medicated with Antipsychotics

Effect of Adjunctive Aripiprazole on Sexual Dysfunction in Schizophrenia: A Preliminary Open-Label Study

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