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A comparison of obstetrical outcomes and costs between misoprostol and dinoprostone for induction of labor

Nadia Bennett, Kunzier; Park, Hyein; Cioffi, Joseph; Calixte, Rose; Vintzileos, Anthony
OBJECTIVE:The objective of this study is to compare resource utilization (efficiency) and obstetrical/cost outcomes of single dose misoprostol versus dinoprostone for induction of labor (IOL) at term. METHODS:Retrospective cohort of induced deliveries 37-41 weeks gestation presenting with a Bishop score ≤4 using single-dose-50 mcg vaginal misoprostol or 10 mg-dinoprostone vaginal-inserts. Dinoprostone patients were compared (5:1) with misoprostol patients. The primary outcome variable was length of L&D stay (proxy for resource utilization). Baseline characteristics, clinical outcomes, and costs were compared. RESULTS:Three-hundred thirty-one patients were included, 276 received dinoprostone and 55 received misoprostol. The misoprostol group had statistically significant decreased time to active labor [median 8 h (1.6,24) versus 12(0.8,52)], time-to-delivery [median 11 h (4,31) versus 17(2.8,56)] and L&D stay [median 16 h (13,28) versus 24(18,30)]. Differences remained significant after adjustment for race, method of delivery, birth weight, gravidity/parity, gestational age, and BMI (adjusted p values <0.001,  <0.01, and < 0.05, respectively). There were no statistical differences in Apgar scores, tachysystole rate, cesarean section rate, and composite maternal/neonatal morbidity. A policy of using misoprostol would result in annual cost savings of approximately $242 500 at our institution as compared with dinoprostone. CONCLUSION/CONCLUSIONS:Single-dose misoprostol is more efficient in IOL at term with respect to L&D utilization and cost and its use is not associated with increased adverse obstetrical outcomes.
PMID: 26782646
ISSN: 1476-4954
CID: 3441162

The use of a vaginal birth after cesarean delivery prediction tool in patients scheduled for repeat cesarean delivery [Meeting Abstract]

Kunzier, Nadia N.; Bilal, Sahar; Dinglas, Cheryl; Calixte, Rose; Cioffi, Joseph; Vintzileos, Anthony M.
ISSN: 0002-9378
CID: 3441182

A comparison of obstetrical outcomes and costs between misoprostol and dinoprostone [Meeting Abstract]

Kunzier, Nadia; Park, Hyein; Cioffi, Joseph; Vintzileos, Anthony
ISSN: 0002-9378
CID: 3441172

Partial characterization of normal and Haemophilus influenzae-infected mucosal complementary DNA libraries in chinchilla middle ear mucosa

Kerschner, Joseph E; Erdos, Geza; Hu, Fen Ze; Burrows, Amy; Cioffi, Joseph; Khampang, Pawjai; Dahlgren, Margaret; Hayes, Jay; Keefe, Randy; Janto, Benjamin; Post, J Christopher; Ehrlich, Garth D
OBJECTIVES/OBJECTIVE:We sought to construct and partially characterize complementary DNA (cDNA) libraries prepared from the middle ear mucosa (MEM) of chinchillas to better understand pathogenic aspects of infection and inflammation, particularly with respect to leukotriene biogenesis and response. METHODS:Chinchilla MEM was harvested from controls and after middle ear inoculation with nontypeable Haemophilus influenzae. RNA was extracted to generate cDNA libraries. Randomly selected clones were subjected to sequence analysis to characterize the libraries and to provide DNA sequence for phylogenetic analyses. Reverse transcription-polymerase chain reaction of the RNA pools was used to generate cDNA sequences corresponding to genes associated with leukotriene biosynthesis and metabolism. RESULTS:Sequence analysis of 921 randomly selected clones from the uninfected MEM cDNA library produced approximately 250,000 nucleotides of almost entirely novel sequence data. Searches of the GenBank database with the Basic Local Alignment Search Tool provided for identification of 515 unique genes expressed in the MEM and not previously described in chinchillas. In almost all cases, the chinchilla cDNA sequences displayed much greater homology to human or other primate genes than with rodent species. Genes associated with leukotriene metabolism were present in both normal and infected MEM. CONCLUSIONS:Based on both phylogenetic comparisons and gene expression similarities with humans, chinchilla MEM appears to be an excellent model for the study of middle ear inflammation and infection. The higher degree of sequence similarity between chinchillas and humans compared to chinchillas and rodents was unexpected. The cDNA libraries from normal and infected chinchilla MEM will serve as useful molecular tools in the study of otitis media and should yield important information with respect to middle ear pathogenesis.
PMID: 20433028
ISSN: 0003-4894
CID: 3445992

Gene expression differences in infected and noninfected middle ear complementary DNA libraries

Kerschner, Joseph E; Horsey, Edward; Ahmed, Azad; Erbe, Christy; Khampang, Pawjai; Cioffi, Joseph; Hu, Fen Ze; Post, James Christopher; Ehrlich, Garth D
OBJECTIVES/OBJECTIVE:To investigate genetic differences in middle ear mucosa (MEM) with nontypeable Haemophilus influenzae (NTHi) infection. Genetic upregulation and downregulation occurs in MEM during otitis media (OM) pathogenesis. A comprehensive assessment of these genetic differences using the techniques of complementary DNA (cDNA) library creation has not been performed. DESIGN/METHODS:The cDNA libraries were constructed from NTHi-infected and noninfected chinchilla MEM. Random clones were picked, sequenced bidirectionally, and submitted to the National Center for Biotechnology Information (NCBI) Expressed Sequence Tags database, where they were assigned accession numbers. These numbers were used with the basic local alignment search tool (BLAST) to align clones against the nonredundant nucleotide database at NCBI. RESULTS:Analysis with the Web-based statistical program FatiGO identified several biological processes with significant differences in numbers of represented genes. Processes involved in immune, stress, and wound responses were more prevalent in the NTHi-infected library. S100 calcium-binding protein A9 (S100A9); secretory leukoprotease inhibitor (SLPI); beta(2)-microglobulin (B2M); ferritin, heavy-chain polypeptide 1 (FTH1); and S100 calcium-binding protein A8 (S100A8) were expressed at significantly higher levels in the NTHi-infected library. Calcium-binding proteins S100A9 and S100A8 serve as markers for inflammation and have antibacterial effects. Secretory leukoprotease inhibitor is an antibacterial protein that inhibits stimuli-induced MUC1, MUC2, and MUC5AC production. CONCLUSIONS:A number of genes demonstrate changes during the pathogenesis of OM, including SLPI, which has an impact on mucin gene expression; this expression is known to be an important regulator in OM. The techniques described herein provide a framework for future investigations to more thoroughly understand molecular changes in the middle ear, which will likely be important in developing new therapeutic and intervention strategies.
PMID: 19153305
ISSN: 1538-361x
CID: 3445732