PMID- 1739225 OWN - NLM STAT- MEDLINE DCOM- 19920319 LR - 20061115 IS - 0003-1348 (Print) IS - 0003-1348 (Linking) VI - 58 IP - 1 DP - 1992 Jan TI - Acute limited normovolemic hemodilution can be safely used in a malnourished model. PG - 22-7 AB - This study investigates the effects of acute limited normovolemic hemodilution (ALNH) on intestinal healing in a malnourished animal model. Twenty rabbits were randomized into three Groups: Group 1 = control; Group 2 = ALNH (removal 35% blood volume and maintenance of normovolemia with 3:1 crystalloid infusion) followed by retransfusion (RT) after small bowel anastomosis (ANA). Group 3 had a restricted diet for 3 weeks preoperatively to cause a 15 percent to 20 percent weight loss. A six cm segment of small bowel (SB) was resected and anastomosed (ANA) in all animals. Blood pressure (BP), transserosal oxygen tension (TsPao2), hematocrit (Hct), colloid oncotic pressure (COP), wet-to-dry weight ratios (WW/DW), hydroxyproline (OH-Pro) content, and tensile strength (TS) of the ANA and a segment of adjacent SB were determined. BP did not change from baseline (BL) in Group 2 during ALNH; however, it rose significantly after RT (P less than 0.05). BP decreased significantly during ALNH in Group 3 (P less than 0.05) and did not rise above baseline after RT. There was no significant change in TsPao2 from BL within groups during the experiment. The Hct and COP decreased significantly after ALNH in Groups 2 and 3 after ALNH compared to BL (P less than 0.05). After RT the Hct and COP increased and by Day 8 the Hct had risen to BL values in Group 3 but not in Group 2 (P less than 0.05), whereas COP values were not significantly different from BL in either group. There was no difference in WW/DW or TS between or among the three groups.(ABSTRACT TRUNCATED AT 250 WORDS) FAU - Woloszyn, T T AU - Woloszyn TT AD - Department of Surgery, Maimonides Medical Center, Brooklyn, New York. FAU - Coons, M S AU - Coons MS FAU - Rodriguez, C AU - Rodriguez C FAU - Levy, R AU - Levy R FAU - Heaney, M AU - Heaney M FAU - Wang, S AU - Wang S FAU - Marini, C P AU - Marini CP LA - eng PT - Comparative Study PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United States TA - Am Surg JT - The American surgeon JID - 0370522 SB - IM MH - Anastomosis, Surgical MH - Animals MH - *Blood Volume MH - *Disease Models, Animal MH - Hemodilution/*methods MH - Intestine, Small/physiopathology/surgery MH - Postoperative Period MH - Protein-Energy Malnutrition/physiopathology/*therapy MH - Rabbits MH - Wound Healing EDAT- 1992/01/01 00:00 MHDA- 1992/01/01 00:01 CRDT- 1992/01/01 00:00 PHST- 1992/01/01 00:00 [pubmed] PHST- 1992/01/01 00:01 [medline] PHST- 1992/01/01 00:00 [entrez] PST - ppublish SO - Am Surg. 1992 Jan;58(1):22-7.