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12. Outcomes of Planned Compared With Urgent Deliveries Using a Multidisciplinary Team Approach for Morbidly Adherent Placenta

Author

Shamshirsaz, Alireza A., Fox, Karin A., Erfani, Hadi, Clark, Steven L., Shamshirsaz, Amir A., Nassr, Ahmed A., Sundgren, Nathan C., Jones, Jeffery A., Anderson, Matthew L., Kassir, Elias, Salmanian, Bahram, Buffie, Alexandra W., Hui, Shiu-Ki, Espinoza, Jimmy, Tyer-Viola, Lynda A., Rac, Martha, Karbasian, Niloofar, Ballas, Jerasimos, Dildy, Gary A., and Belfort, Michael A.

Published
2018
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14. Multidisciplinary Team Learning in the Management of the Morbidly Adherent Placenta: Outcome Improvements Over Time

Author

Shamshirsaz, Alireza A., Fox, Karin A., Erfani, Hadi, Clark, Steven L., Salmanian, Bahram, Baker, B. Wycke, Coburn, Michael, Shamshirsaz, Amir A., Bateni, Zhoobin H., Espinoza, Jimmy, Nassr, Ahmed A., Popek, Edwina J., Hui, Shiu-Ki, Teruya, Jun, Tung, Celestine Shauching, Jones, Jeffery A., Rac, Martha, Dildy, Gary A., and Belfort, Michael A.

Published
2017
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24. Successful Detection of Unrecognized Rickettsia typhi in Pregnancy Using Cell-Free Next-Generation Sequencing

Author

Stafford, Irene A., Centeno, Fernando H., Al Mohajer, Mayar, Parkerson, George, Woc-Colburn, Laila, Burgos-Lee, Angelica Janice, Rac, Martha, Dunn, James, and Muldrew, Kenneth

Subjects
animal structures, Article Subject, animal diseases, bacteria, bacterial infections and mycoses
Abstract

Flea-borne (murine) typhus is caused by Rickettsia typhi. Infection in pregnant women can lead to adverse outcomes when diagnosis and treatment is delayed. We describe how next-generation sequencing (NGS) using the Karius® test was used to rapidly diagnose murine typhus in two pregnant women admitted to a large tertiary care center in Houston, Texas, when all initial testing was nondiagnostic.

Published
2020
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25. Predicting Placenta Accreta Spectrum

Author

Happe, Sarah K., primary, Yule, Casey S., additional, Spong, Catherine Y., additional, Wells, C. Edward, additional, Dashe, Jodi S., additional, Moschos, Elysia, additional, Rac, Martha W. F., additional, McIntire, Donald D., additional, and Twickler, Diane M., additional

Published
2020
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29. Polydactyly

Author

Rac, Martha W.F., primary, McKinney, Jennifer, additional, and Gandhi, Manisha, additional

Published
2019
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32. Arthrogryposis

Author

Rac, Martha W.F., primary, McKinney, Jennifer, additional, and Gandhi, Manisha, additional

Published
2019
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35. Maternal outcomes in unexpected placenta accreta spectrum disorders: single-center experience with a multidisciplinary team

Author

Erfani, Hadi, primary, Fox, Karin A., additional, Clark, Steven L., additional, Rac, Martha, additional, Rocky Hui, Shiu-Ki, additional, Rezaei, Atefeh, additional, Aalipour, Soroush, additional, Shamshirsaz, Amir A., additional, Nassr, Ahmed A., additional, Salmanian, Bahram, additional, Stewart, Kelsey A., additional, Kravitz, Elizabeth S., additional, Eppes, Catherine, additional, Coburn, Michael, additional, Espinoza, Jimmy, additional, Teruya, Jun, additional, Belfort, Michael A., additional, and Shamshirsaz, Alireza A., additional

Published
2019
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36. Predicting Placenta Accreta Spectrum: Validation of the Placenta Accreta Index.

Author

Happe, Sarah K., Yule, Casey S., Spong, Catherine Y., Wells, C. Edward, Dashe, Jodi S., Moschos, Elysia, Rac, Martha W. F., McIntire, Donald D., and Twickler, Diane M.

Subjects
PLACENTA accreta, CESAREAN section, PHYSICIANS, PLACENTA praevia, ABRUPTIO placentae, DIAGNOSIS, PRENATAL diagnosis
Abstract

Objectives: The placenta accreta spectrum (PAS) incidence has risen substantially over the past century, paralleling a rise in cesarean delivery (CD) rates. Prenatal diagnosis of PAS improves maternal outcomes. The Placenta Accreta Index (PAI) is a standardized approach to prenatal diagnosis of PAS incorporating clinical risk and ultrasound (US) findings suggestive of placental invasion. We sought to validate the PAI for prediction of PAS in pregnancies with prior CD. Methods: This work was a retrospective cohort study of pregnancies with 1 or more prior CDs that received a US diagnosis of placenta previa or low‐lying placenta in the third trimester. Images of third‐trimester US with a complete placental evaluation were read by 2 blinded physicians, and the PAI was applied. Surgical outcomes and pathologic findings were reviewed. Placenta accreta spectrum was diagnosed if clinical evidence of invasion was seen at time of delivery or if any placental invasion was identified histologically. International Federation of Gynecology and Obstetrics criteria were used. Results: A total of 194 women met inclusion criteria. Cesarean hysterectomy was performed in 92 (47%), CD in 97 (50%), and vaginal delivery in 5 (3%). Of those who underwent hysterectomy, PAS was histologically confirmed in 79 (85%) pregnancies. Of the remaining 13 who underwent hysterectomy, all met International Federation of Gynecology and Obstetrics grade 1 clinical criteria for PAS. With a threshold of greater than 4, the PAI has a sensitivity of 87%, specificity of 77%, positive predictive value of 72%, and negative predictive value of 90% for PAS diagnosis. Conclusions: Contemporaneous application of the PAI, a standardized approach to US diagnosis, is useful in the prenatal prediction of PAS. [ABSTRACT FROM AUTHOR]

Published
2021
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38. Clinical Importance of Placental Testing among Suspected Cases of Congenital Zika Syndrome

Author

Seferovic, Maxim D., primary, Turley, Michelle, additional, Valentine, Gregory C., additional, Rac, Martha, additional, Castro, Eumenia C. C., additional, Major, Angela M., additional, Sanchez, Brianna, additional, Eppes, Catherine, additional, Sanz-Cortes, Magdalena, additional, Dunn, James, additional, Kautz, Tiffany F., additional, Versalovic, James, additional, Muldrew, Kenneth L., additional, Stout, Timothy, additional, Belfort, Michael A., additional, Demmler-Harrison, Gail, additional, and Aagaard, Kjersti M., additional

Published
2019
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40. Prospective First‐Trimester Ultrasound Imaging of Low Implantation and Placenta Accreta Spectrum.

Author

Happe, Sarah K., Rac, Martha W. F., Moschos, Elysia, Wells, C. Edward, Dashe, Jodi S., McIntire, Donald D., and Twickler, Diane M.

Subjects
TRANSVAGINAL ultrasonography, ULTRASONIC imaging, PLACENTA praevia, RECEIVER operating characteristic curves, PLACENTA, CESAREAN section
Abstract

Objectives: To prospectively evaluate low implantation of the gestational sac and other first‐trimester ultrasound (US) parameters for prediction of placenta accreta spectrum (PAS). Methods: Women with a diagnosis of low implantation on clinically indicated first‐trimester US underwent a transvaginal US examination at 10 to 13 weeks' gestation to assess the trophoblast location, anechoic areas, bridging vessels, and smallest myometrial thickness (SMT). The placental location was evaluated in the second trimester, and serial US examinations were performed in cases of low placentation. Placenta accreta spectrum was based on clinical findings and confirmed by histologic results. Results: Of 68 women, 40 (59%) had prior cesarean delivery (CD). Hysterectomy was performed in 8, all with prior CD. Of these, 7 (88%) had US suspicion of PAS. In 16 with prior CD and basalis overlying the internal os, 9 (56%) had second‐trimester placenta previa, and 7 of 9 (78%) underwent hysterectomy with pathologic confirmation of PAS. Of 28 without prior CD, there were no cases of persistent low placentation in the third trimester regardless of the trophoblast location. Ultrasound parameters associated with PAS were a smaller distance from the inferior trophoblastic border to the external os, disruption of the bladder‐serosal interface, bridging vessels, anechoic areas, and the SMT. In women with prior CD, use of the SMT in the sagittal plane yielded an area under the receiver operating characteristic curve of 0.96 (95% confidence interval, 0.91–1.00). Conclusions: First‐trimester low implantation increases the risk of persistent placenta previa and PAS in women with prior CD. All parameters were associated with PAS, the most predictive being the SMT. [ABSTRACT FROM AUTHOR]

Published
2020
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42. 932: Words Matter: Measured Impact of Political Rhetoric on Timely & Regular Access of Prenatal Care Among Latino & Hispanic Women in Houston, Texas from 2011-2017

Author

Levitt, Ryan, primary, Aagaard, Joshua, additional, Chu, Derrick, additional, Dildy, Gary, additional, Clark, Steven, additional, Mastrobattista, Joan, additional, Ashton, David, additional, Rac, Martha, additional, Eppes, Catherine, additional, Gandhi, Manisha, additional, Belfort, Michael, additional, Corrigan, Robert, additional, and Aagaard, Kjersti, additional

Published
2018
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45. 189: Predictive factors for coagulopathy in the management of morbidly adherent placenta

Author

Salmanian, Bahram, primary, Erfani, Hadi, additional, Fox, Karin A., additional, Clark, Steven L., additional, Rac, Martha, additional, Shamshirsaz, Amir A., additional, Nassr, Ahmed A., additional, Karbasian, Niloofar, additional, Teruya, Jun, additional, Hui, Shiu-Ki, additional, Espinoza, Jimmy, additional, Belfort, Michael A., additional, and Shamshirsaz, Alireza A., additional

Published
2018
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47. 73: Importance of placental testing in congenital zika virus (zikv) infection and fetal malformation syndrome

Author

Turley, Michelle, primary, Valentine, Gregory, additional, Seferovic, Maxim, additional, Rac, Martha, additional, Eppes, Carey, additional, Major, Angela, additional, Castro, Eumenia, additional, Sanchez, Brianna, additional, Dunn, James, additional, Versalovic, James, additional, Cortes, Magdalena Sanz, additional, Stout, Timothy, additional, Harrison, Gail, additional, Belfort, Michael, additional, and Aagaard, Kjersti, additional

Published
2018
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49. Primary Human Placental Trophoblasts are Permissive for Zika Virus (ZIKV) Replication

Author

Aagaard, Kjersti M., primary, Lahon, Anismrita, additional, Suter, Melissa A., additional, Arya, Ravi P., additional, Seferovic, Maxim D., additional, Vogt, Megan B., additional, Hu, Min, additional, Stossi, Fabio, additional, Mancini, Michael A., additional, Harris, R. Alan, additional, Kahr, Maike, additional, Eppes, Catherine, additional, Rac, Martha, additional, Belfort, Michael A., additional, Park, Chun Shik, additional, Lacorazza, Daniel, additional, and Rico-Hesse, Rebecca, additional

Published
2017
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