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Blood. 2011 Mar 3;117(9):2614-7. doi: 10.1182/blood-2010-04-278747. Epub 2011 Jan 7.

Biomarkers of splenic function in infants with sickle cell anemia: baseline data from the BABY HUG Trial.

Collaborators (301)

Driscoll MC, Speller-Brown B, Martin B, Glass P, Krohn K, Jiles C, Handy J, Tsuchida T, Chang T, Minniti C, O'Connell M, Heath C, Azine R, Darbari D, Washington-Batts L, Carpenter J, Luchtman-Jones L, Burgos A, Ware R, Schultz W, Davis J, Bonner M, Boustany RM, Johnson C, Zimmerman SA, Kelly T, Chen Q, Thornburg C, Mandy A, Dixon N, Millen J, Wechsler D, Burgett S, Weisleder P, Gallentine W, Armstrong M, Greenwell K, Rana S, Nguyen K, Reed C, Houston P, Yeagley E, Casella J, O'Haver C, Dixon S, Ash L, Zabel TA, Yohay K, Truelove K, Seaman P, Keefer J, Jordan L, Cox C, Lieberman D, Smith C, Sharp P, Coppage K, Shad A, Gonzalez C, Zaki A, Mying-Hpu K, Kem R, Wiley J, Fixler J, Marasciulo J, Kassa M, Hultgren L, Barredo J, Brown RC, Debenham E, Disco D, Jackson S, Ingram P, Griesemer DA, Porter K, Peterson J, Bergman S, Ribble S, Rackoff B, Cavalier ME, Kalpatthi R, Kuisel L, Wang W, Ware R, Wynn L, Strawn S, Fineburg-Buchner C, Khan R, Richardson J, Faughnan L, Carr S, Williams L, Morris B, Miller S, Rao SP, Graham S, Hittleman J, Chari G, Mishko M, Rey K, Strashun A, Gonzalez RS, Pegelow C, Toledano S, Armstrong FD, Hustace T, Levy J, Lopez R, Pino R, Wright D, Briery B, Lewis N, Thompson W, White E, Simon N, Barredo J, Alvarez O, Iyer R, Smith MG, Hand S, Walker T, Elkin D, Vedanarayanan VV, Oubre S, Kendig C, Thomas G, Rouse C, Hovas T, Coleman L, Herrington B, Estess D, Thames M, Roberts T, Breland T, Forsythe A, Hogan T, Bishop G, Rogers Z, Cochran C, Corrigan N, Silver C, Dowling M, Adix L, Horvath S, Vicks C, Loyd N, Shull E, Marshall J, Cook E, Richardson S, Montefiore K, Cook M, Burrows T, Gonzales S, Merryman R, Howard T, Bryan H, Berkow R, Madan-Swain A, Reddy A, Blair K, DeBerry-McDuffie J, McDonald R, Parsons K, Buchanan H, Whelan K, Holloway A, Dampier C, MacDermott ML, Anderson N, Meier M, Luck L, Cahill M, Grant M, Kothare S, Azizi J, Choi W, Carvalho K, Shafer F, Lerner N, Lane P, Brown C, Debenham E, Faircloth T, Johnson A, Philbrook B, Greve L, New-Bailey T, Hassen L, Rhodes J, Osunkwo I, Cherry K, Record B, Patton J, Sarnaik S, Whitten-Shurney W, Murphy M, Malian M, McCrae J, Majkowski M, Rajpurkar M, Ameli J, Storie-Kennedy K, Henderson O, Chitlur M, Grossman N, Rhoad C, Howard B, Rodrigues MB, Jiang H, Barton F, Brock P, Burkhardt K, Carberry S, Carroll M, Duh KI, Fish BJ, Fosse C, Gordon M, Gordon R, Haziminas J, Huang X, Knight M, Li D, Luo Z, Lutz H, Martien A, McHale S, Meyer C, Rees R, Ricks T, Santos A, Terrin M, Thompson B, Tsanko A, Watford S, Wilkins P, Zhuang H, Chang H, Furtaw L, Goldsmith J, Levy S, Luksenburg H, Spillan D, Waclawiw M, Mattison D, Willoughby A, Zajicek A, Armstrong FD, Files B, Gelfand M, Helton K, Ichord RN, Jeng M, Kinney T, McCarville ME, Melhem E, Miller JH, Pavlakis S, Pearson HA, Ross A, Schwartz GJ, Shalaby-Rana EG, Shulkin B, Sutton M, Adams RJ, Odo N, Hilbert C, Luden J, Brown L, Shaffer T, Soler M, Quinones A, Bannon D, Edwards D, Kutlar A, Clair B, Davis D, Patel N, Holley L, Smith B, Loftin J, Sozansky A, Arocha D, Kulharya A, Miller P, Norris K, Prakash S, Ware RE, Dertinger S, Howard T, He J, Flanagan JM, Lederman H, Borowitz M, Cowan K, Chivrazzi P, Swift A, Quinn T, Luby M, Norton F.

Author information

  • 1Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX 75390-9063, USA. Zora.Rogers@UTSouthwestern.edu

Abstract

We evaluated spleen function in 193 children with sickle cell anemia 8 to 18 months of age by (99m)Tc sulfur-colloid liver-spleen scan and correlated results with clinical and laboratory parameters, including 2 splenic biomarkers: pitted cell counts (PIT) and quantitative Howell-Jolly bodies (HJB) enumerated by flow cytometry. Loss of splenic function began before 12 months of age in 86% of infants in association with lower total or fetal hemoglobin and higher white blood cell or reticulocyte counts, reinforcing the need for early diagnosis and diligent preventive care. PIT and HJB correlated well with each other and liver-spleen scan results. Previously described biomarker threshold values did define patients with abnormal splenic function, but our data suggest that normal spleen function is better predicted by PIT of ≤1.2% or HJB ≤55/10(6) red blood cells and absent function by PIT ≥4.5% or HJB ≥665/10(6). HJB is methodologically advantageous compared with PIT, but both are valid biomarkers of splenic function. This trial was registered at www.clinicaltrials.gov as #NCT00006400.

© 2011 by The American Society of Hematology

PMID:
21217080
[PubMed - indexed for MEDLINE]
PMCID:
PMC3062353
Free PMC Article

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