Volume 49, Issue 7 pp. 1400-1411

Prospective observational study of low thresholds for platelet transfusion in adult dengue patients

Laurent Thomas

Laurent Thomas

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Stéphane Kaidomar

Stéphane Kaidomar

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Brigitte Kerob-Bauchet

Brigitte Kerob-Bauchet

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Victor Moravie

Victor Moravie

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Yannick Brouste

Yannick Brouste

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Jean Philippe King

Jean Philippe King

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Sarah Schmitt

Sarah Schmitt

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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François Besnier

François Besnier

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Sylvie Abel

Sylvie Abel

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Hossein Mehdaoui

Hossein Mehdaoui

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Yves Plumelle

Yves Plumelle

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Fatiha Najioullah

Fatiha Najioullah

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Christiane Fonteau

Christiane Fonteau

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Pascale Richard

Pascale Richard

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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Raymond Césaire

Raymond Césaire

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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André Cabié

André Cabié

From the Centre Hospitalier Universitaire de Fort-de-France, Martinique (FWI); Etablissement Français du Sang de la Martinique; and Centre d'Investigation Clinique et d'Epidémiologie Clinique Antilles-Guyane (CIC-EC 802 INSERM).

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First published: 01 July 2009
Citations: 33
Laurent Thomas, Service des Urgences, Hôpital Pierre Zobda Quitman, Centre Hospitalier Universitaire, F-97200 Fort-de-France, Martinique; e-mail: [email protected].

This study was supported by the Centre Hospitalier Universitaire de Fort-de-France, Martinique.

Presented in abstract forms at the Second International Conference on Dengue and Dengue Haemorrhagic Fever, Phuket, Thailand, October 15-17, 2008; and at the 8ème Congrès National d'Hémovigilance et de Sécurité Transfusionnelle, Perpignan, France, November 19-21, 2008.

Abstract

BACKGROUND: The practice of platelet (PLT) transfusions has been adopted into the standard clinical practice in many dengue-endemic countries. Because many patients were found to have received unnecessary PLT transfusions, the development of guidelines for the management of dengue patients with thrombocytopenia has become a necessity.

STUDY DESIGN AND METHODS: An emergency department–based prospective observational study was conducted in Martinique during a dengue outbreak in adult patients presenting with an acute febrile illness. Patients with severe bleeding and/or who underwent invasive intensive care procedures or emergency surgery were given PLT transfusion to achieve PLT counts of more than 50 × 109/L. PLT transfusion was also considered for patients with PLT counts of less than 5 × 109/L and for those with associated risk factors and PLT counts of less than 20 × 109/L.

RESULTS: A total of 350 patients were admitted with confirmed dengue infections. Most of them had secondary serotype-2 infections. PLT counts of less than 50 × 109/L were recorded in 165 patients (47.1%). PLT transfusion was administered to 9 patients with thrombocytopenia. The indications included severe bleeding (5 cases), invasive procedures (3 cases), emergency surgery (1 case), and/or associated risk factors (2 cases). The median time duration from the onset of fever to PLT transfusion was 6 days (range, 4-10 days). The median amount of PLTs transfused was 3.66 × 1011 (range, 2.8 × 1011-13.2 × 1011). The median PLT yield was +12.4% (range, −3.9% to +67.1%). Three patients died. All other patients recovered during the second week after the onset of fever.

CONCLUSION: A restrictive strategy for PLT transfusion based on clinical features and low PLT count thresholds proved to be feasible and safe for adult dengue patients.

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