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Recruitment too slow; study completion not possible within frame
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In a prospective case-control study, the investigators compare the Objective Structured Assessment of Technical Skills (OSATS) scores in medical students and gynecologic experts performing a hysteroscopy on a training model for diagnostic hysteroscopy. The investigators hypothesize that OSATS on a hysteroscopy training model has construct validity to discriminate between experts and novices.
In a prospective case-control study, 140 medical students (,novices') and 10 senior gynecologists (,experts') will watch a demonstration detailing how to perform a hysteroscopy on a training model. All probands will perform a hysteroscopy themselves within 1 hour after the demonstration. Their performance will be judged using an Objective Structured Assessment of Technical Skills (OSATS) assessment. Using metrical and non-metrical measurements, construct validity of the hysteroscopy training model to distinguish between experts and novices will be assessed. Secondary endpoints are differences in OSATS scores within the group of novices based on gender and handyness, as well as satisfaction of the novices with the learning experience.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Experts | Active Comparator | Surgically experienced gynecologists with a personal history of at least 50 hysteroscopy procedures will perform a hysteroscopy on a training model. |
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| Novices | Experimental | Medical students will perform a hysteroscopy on a training model. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| hysteroscopy on a training model | Procedure | Diagnostic hysteroscopy on a diagnostic hysteroscopy training model using a pelvic dummy and all surgical instruments also used in the original procedure. The performance of all participants will be scored using an OSATS scoring sheet developed for assessing surgical proficiency. |
| Measure | Description | Time Frame |
|---|---|---|
| Construct validity | Predefined OSATS scores (metrical and non-metrical items) will be compared between experts and novices | within 1 hour after demonstration |
| Measure | Description | Time Frame |
|---|---|---|
| OSATS scores according to gender | OSATS scores will be compared depending on gender | within 1 hour after demonstration |
| OSATS scores according to handyness | OSATS scores will be compared depending on handyness (right- versus left-handed) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Clemens B Tempfer, MD | Ruhr University Bochum | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Dept. OBGYN Ruhr University Bochum | Herne | 44625 | Germany |
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| ID | Term |
|---|---|
| D008595 | Menorrhagia |
| ID | Term |
|---|---|
| D014592 | Uterine Hemorrhage |
| D014591 | Uterine Diseases |
| D005831 | Genital Diseases, Female |
| D052776 | Female Urogenital Diseases |
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|
| within 1 hour after demonstration |
| D005261 | Female Urogenital Diseases and Pregnancy Complications |
| D000091642 | Urogenital Diseases |
| D000091662 | Genital Diseases |
| D006470 | Hemorrhage |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D008599 | Menstruation Disturbances |