SDMS CME Credit – Potential Risk Factors for Predicting Fetal Shoulder Dystocia

Abstract

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Authors: Caner Köse, MD, Gonca Karataş Baran, PhD, İbrahim Mert Özbek, MD, Seval Yilmaz Ergani, MD, Erol Nadi Varli, MD, Rahmi Sinan Karadeniz, MD, and Yaprak Engin Üstun, MD

Category: OB/GYN [OB]

Credit: 1.00 SDMS CME Credit

Objectives: After studying the article, you should be able to:

• List the frequency and complications of shoulder dystocia (SD).

• Describe maternal, obstetric, and fetal risk factors in the management of SD.

• Identify common techniques used to free the fetal shoulder during delivery.

The occurrence rate of shoulder dystocia (SD) in all deliveries is:

A. 0.5% - 1.5%

B. 0.1% - 4.2%

C. 0.1% - 9.5%

D. 3% - 17%

Which SD fetal complication is most common?

A. Clavicle injury

B. Infant mortality

C. Hypoxic-ischemic encephalopathy

D. Brachial plexus injury (BPI)

Which is the most significant maternal contribution to SD?

A. Prolonged labor

B. Excessive weight gain

C. Diabetes

D. Obesity

According to Table 1, which group comparisons were statistically significant between groups?

A. Living child, gravity, and pregnancy week

B. BMI, age, and pregnancy week

C. Age, prepartum hemoglobin, and 50 g OGTT

D. Gravity, pregnancy week, and 50 g OGTT

According to Table 1, what percentage of the SD group had maternal diabetes mellitus (DM)?

A. 9.1%

B. 6%

C. 2.2%

D. 0.5%

According to Table 2, what was the mean birth weight in the SD group?

A. 3879.47 g

B. 3215.57 g

C. 3379.68 g

D. 3648.20 g

According to Table 3, what percentage of SD patients had neonatal brachial plexus injury (BPI)?

A. 33.3%

B. 63.6%

C. 43.9%

D. 47.0%

According to Table 5, what was the sensitivity percentage for abdominal circumference (AC) with regard to determining the risk factors for SD?

A. 81.8%

B. 91.6%

C. 62.4%

D. 91.5%

According to the article, which technique was most commonly employed in the study to free the fetus from the birth canal?

A. McRoberts maneuver combined with posterior arm rescue

B. McRoberts maneuver

C. Wood maneuver

D. Rubin maneuver

Which sonographic measurement was found to be a significant predictor for SD in this study?

A. Femur length (FL)

B. Femur length/abdominal circumference ratio (FL/AC)

C. Biparietal diameter (BPD)

D. Abdominal circumference (AC)

Access the SDMS CME test at: learn.sdms.org