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At least 775 records · Page 43Linked to original sources
PubMed2003

A comparison of bleeding and transfusion in patients who undergo coronary artery bypass grafting via sternotomy with and without cardiopulmonary bypass.

OBJECTIVE: To determine whether there is a difference between on-pump cardiopulmonary bypass (CABG) and off-pump coronary artery bypass grafting (OPCAB) without heparin reversal with regard to bleeding, transfusion requirements, and incidence of surgical re-exploration of the mediastinum. DESIGN: Retrospective chart review. SETTING: A large academic medical center. PARTICIPANTS: Two hundred adult patients undergoing cardiac surgery. INTERVENTIONS: None. MEASUREMENTS AND MAIN RESULTS: One hundred CABG patients were compared with 100 OPCAB patients. Statistical significance was measured with P values of <or=0.05. The heparin was not reversed in the OPCAB patients. CABG patients received more intraoperative allogeneic red blood cells (median 250 mL v 0 mL, p = 0.002), intraoperative autotransfusion (IAT) (550 mL v 425 mL, p = 0.001), platelets (9% v 1%, p = 0.009), and less albumin (0 mL v 250 mL, p = 0.001) than OPCAB patients. Postoperatively, CABG patients were more likely to receive fresh-frozen plasma (19% v 8%, p = 0.03) and less likely to receive IAT than the OPCAB group. During the initial 4-hour postoperative period, OPCAB patients exhibited greater blood loss via chest tube (290 mL v 385 mL, p = 0.003); however, at 12 hours and 24 hours postoperatively, there was no statistical difference in blood loss between the 2 groups. There were no statistically significant differences in surgical re-exploration of the mediastinum between the CABG and OPCAB groups. CONCLUSION: Despite not reversing the heparin at the end of the OPCAB surgery, OPCAB surgery was associated with an overall reduction in allogeneic transfusion requirements.

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PubMed1997

Factors affecting hypertrophic scar development in median sternotomy incisions for congenital cardiac surgery.

BACKGROUND: Even after successful operations on children, unattractive postoperative scars are often distressing to patients and their parents. There are no reports about the factors affecting keloid or hypertrophic scar (HS) development after congenital cardiac surgery. STUDY DESIGN: Postoperative scars were studied in 75 patients 3 months after congenital cardiac surgery by median skin incision. The mean age of the 51 males and 24 females was 2.7 +/- 2.3 years (range, 2 days-12 years). The scars were evaluated according to degree of redness, expressed as redness score, and skin blood flow, as measured by laser Doppler imaging. Skin blood flow ratio was calculated as blood flow at the scar divided by blood flow below the navel. After surgery, 40 patients received 5 mg/kg/day of tranilast, which inhibits the collagen synthesis of keloid fibroblasts. RESULTS: None of the 75 patients had keloid formation and 21 (28%) developed HS after operation. Mean age of patients with HS (HS (+) group) was 4.4 +/- 3.3 years and that of patients with no HS development (HS (-) group) was 1.5 +/- 1.9 years (p < 0.01). There were no significant differences between these two groups in gender or in pre- or postoperative cyanosis. Hypertrophic scar (+) patients exhibited significantly higher skin blood flow ratios than HS (-) patients (2.7 +/- 1.3 versus 1.4 +/- 0.6; p < 0.001). Hypertrophic scar was seen in 11 of 40 tranilast administered patients (28%) and in 10 of 34 patients not receiving tranilast (29%) (NS). Hypertrophic scar was less apparent in the patients who received tranilast versus those who did not; redness scores were 29.5 +/- 16.5 and 51.6 +/- 14.9, respectively (p < 0.01). CONCLUSIONS: These data suggest that age and skin blood flow ratio were the factors affecting HS development. Postoperative use of tranilast did not affect the frequency of HS development but did reduce its redness.

Age Factors↗
PubMed2000

Omental flap for mediastinitis after median sternotomy in asplenia syndrome and gut malrotation.

We describe a 12-year-old patient with asplenia syndrome and gut malrotation who, after an interim step before a modified Fontan operation, developed life-threatening mediastinitis. A flap of the omentum arising from the transverse colon, longitudinally located in the left of the abdomen, was created and transferred to the mediastinum after a division of the arterial arcade at its most caudal extent. Her postoperative course was uneventful, and 12 months later, the modified Fontan operation was successfully completed. Although visceral heterotaxy results in an omental deformation, it does not preclude the use of an omental flap.

Abnormalities, Multiple↗
PubMed2002

Candida albicans sternal wound infections: a chronic and recurrent complication of median sternotomy.

Eleven patients developed deep sternal wound infections due to Candida albicans after undergoing coronary artery bypass grafting (CABG) and were assessed. Six had sternal osteomyelitis, 1 had osteomyelitis and mediastinitis, and 4 had deep wound infections that probably involved bone. Seven patients experienced onset of infection within 28 days of CABG, but 4 experienced onset 48-150 days after CABG. Infections were characterized by a chronic, indolent course requiring prolonged treatment with an antifungal agent. Delay in initiating antifungal therapy was common. All patients were treated with fluconazole, and 1 also received amphotericin B. Six patients underwent incision and drainage, with or without wire removal, and 3 underwent sternectomy with placement of a muscle flap. Of 10 patients for whom follow-up data were available, 7 were cured after initial therapy (median duration of treatment, 6 months), and 3 experienced a relapse and required a second course of fluconazole.

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PubMed1995

Mycotic pseudoaneurysm complicating flap closure of an infected median sternotomy.

False aneurysm, or pseudoaneurysm, formation is a well-recognized complication of cardiac surgery that can occur in the setting of postoperative mediastinitis. We present the first case report of a pseudoaneurysm involving flap closure of the infected mediastinum and discuss the presentation and diagnosis of this life-threatening complication.

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PubMed2002

Laparoscopic mobilization of an omental flap for reconstruction of an infected sternotomy wound.

The omentum is used for reconstruction of intra- and extra-abdominal wounds because of its high vascularity and immunological properties. It is used most often in patients in whom sternal wound infection develops after coronary artery bypass grafting. The major drawback of using the omentum is the necessity of performing a laparotomy to dissect and mobilize it to the thorax. The authors report their experience with an 81-year-old man, on whom they performed laparoscopic dissection and mobilization of the omentum, and transfer of the omentum based on its blood supply from the left gastroepiploic artery to reconstruct an infected sternal wound. The current literature is reviewed as well. The authors conclude that obtaining an omental flap via a laparoscopic approach is feasible and safe. It should be considered whenever an omental flap is needed outside the abdominal cavity. This approach mandates close collaboration between the plastic and the laparoscopic surgeons.

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