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Cesarean delivery is not associated with decreased at-birth fracture rates in osteogenesis imperfecta.
Bellur, S; Jain, M; Cuthbertson, D; Krakow, D; Shapiro, J R; Steiner, R D; Smith, P A; Bober, M B; Hart, T; Krischer, J; Mullins, M; Byers, P H; Pepin, M; Durigova, M; Glorieux, F H; Rauch, F; Sutton, V R; Lee, B; Nagamani, S C.
Affiliation
  • Bellur S; Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA.
  • Jain M; Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA.
  • Cuthbertson D; College of Medicine, University of South Florida, Tampa, Florida, USA.
  • Krakow D; Department of Orthopedic Surgery, University of California, Los Angeles, California, USA.
  • Shapiro JR; Department of Human Genetics, University of California, Los Angeles, California, USA.
  • Steiner RD; Department of Obstetrics and Gynecology, University of California, Los Angeles, California, USA.
  • Smith PA; Department of Bone and Osteogenesis Imperfecta, Kennedy Krieger Institute, Baltimore, Maryland, USA.
  • Bober MB; Department of Pediatrics, Oregon Health & Science University, Portland, Oregon, USA.
  • Hart T; Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, Oregon, USA.
  • Krischer J; Marshfield Clinic Research Foundation and University of Wisconsin, Marshfield and Madison, Wisconsin, USA.
  • Mullins M; Shriners Hospitals for Children, Chicago, Illinois, USA.
  • Byers PH; Division of Medical Genetics, Alfred I. DuPont Hospital for Children, Wilmington, Delaware, USA.
  • Pepin M; Osteogenesis Imperfecta Foundation, Gaithersburg, Maryland, USA.
  • Durigova M; College of Medicine, University of South Florida, Tampa, Florida, USA.
  • Glorieux FH; Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, Texas, USA.
  • Rauch F; Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, Washington, USA.
  • Sutton VR; Department of Pathology, Division of Medical Genetics, University of Washington, Seattle, Washington, USA.
  • Lee B; Department of Medicine, Division of Medical Genetics, University of Washington, Seattle, Washington, USA.
  • Nagamani SC; Department of Orthopedic Surgery, Shriners Hospital for Children and McGill University, Montreal, Québec, Canada.
Genet Med ; 18(6): 570-6, 2016 06.
Article in En | MEDLINE | ID: mdl-26426884
ABSTRACT

PURPOSE:

Osteogenesis imperfecta (OI) predisposes to recurrent fractures. Patients with the moderate to severe forms of OI present with antenatal fractures, and the mode of delivery that would be safest for the fetus is not known.

METHODS:

We conducted systematic analyses of the largest cohort of individuals with OI (n = 540) enrolled to date in the OI Linked Clinical Research Centers. Self-reported at-birth fracture rates were compared among individuals with OI types I, III, and IV. Multivariate analyses utilizing backward-elimination logistic regression model building were performed to assess the effect of multiple covariates, including method of delivery, on fracture-related outcomes.

RESULTS:

When accounting for other covariates, at-birth fracture rates did not differ based on whether delivery was by vaginal route or by cesarean delivery (CD). Increased birth weight conferred higher risk for fractures irrespective of the delivery method. In utero fracture, maternal history of OI, and breech presentation were strong predictors for choosing CD.

CONCLUSION:

Our study, the largest to analyze the effect of various factors on at-birth fracture rates in OI, shows that CD is not associated with decreased fracture rate. With the limitation that the fracture data were self-reported in this cohort, these results suggest that CD should be performed only for other maternal or fetal indications, not for the sole purpose of fracture prevention in OI.Genet Med 18 6, 570-576.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Osteogenesis Imperfecta / Prenatal Diagnosis / Cesarean Section / Fractures, Bone Type of study: Diagnostic_studies / Etiology_studies / Prognostic_studies / Risk_factors_studies Limits: Female / Humans / Male / Newborn / Pregnancy Language: En Journal: Genet Med Journal subject: GENETICA MEDICA Year: 2016 Type: Article Affiliation country: United States
Fulltext
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Osteogenesis Imperfecta / Prenatal Diagnosis / Cesarean Section / Fractures, Bone Type of study: Diagnostic_studies / Etiology_studies / Prognostic_studies / Risk_factors_studies Limits: Female / Humans / Male / Newborn / Pregnancy Language: En Journal: Genet Med Journal subject: GENETICA MEDICA Year: 2016 Type: Article Affiliation country: United States