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1.
J Int Med Res ; 38(3): 1034-41, 2010.
Article in English | MEDLINE | ID: mdl-20819440

ABSTRACT

This study investigated the quality of documentation of post-operative nausea and vomiting (PONV) by comparing incidences collected by a research team with those reported routinely by nursing personnel. A total of 560 patients passing through an interdisciplinary recovery room were included in the study. The overall recorded incidence of PONV over 24 h was 30.7%, which was in agreement with the predicted value of 32% calculated using incidences from published randomized controlled trials. Out of the total number of 86 cases of PONV in the recovery room only 36 (42%) were detected by nursing staff. Similarly, out of the total number of 129 cases of PONV on the ward over 24 h, only 37 (29%) were recognized by nursing staff during routine care. In conclusion, PONV in routine clinical care is likely to be under-reported. To use PONV as a valid quality measure, patients need to be actively asked about nausea and vomiting at frequent intervals in a standardized fashion. A considerable proportion of patients experience PONV after discharge from the recovery room, so the assessment of PONV should cover at least 24 h post-operatively.


Subject(s)
Documentation/methods , Postoperative Nausea and Vomiting/epidemiology , Surveys and Questionnaires , Anesthesia, General , Antiemetics/therapeutic use , Documentation/standards , Female , Forms and Records Control , Humans , Male , Medical Records/statistics & numerical data , Middle Aged , Nursing Records/statistics & numerical data , Postanesthesia Nursing/methods , Postanesthesia Nursing/standards , Postoperative Nausea and Vomiting/drug therapy , Postoperative Nausea and Vomiting/etiology , Prospective Studies , Recovery Room
2.
Circulation ; 96(9 Suppl): II-291-6, 1997 Nov 04.
Article in English | MEDLINE | ID: mdl-9386113

ABSTRACT

BACKGROUND: Following left ventricular assist device (LVAD) implantation in end-stage heart failure, the management of right ventricular dysfunction presents a therapeutic problem unresolved by conventional drug therapy (catecholamines, nitrates, and prostacyclin). This study was performed to investigate the effects of supplemental inhalation of nitric oxide (NO), a selective pulmonary vasodilator, postoperatively and prospectively. METHODS AND RESULTS: Intraindividual dose titration of NO was performed (0 to 40 ppm) according to a standardized protocol. Thereafter treatment was continued with the individually most effective dose of NO (25 to 40 ppm). In 8 consecutive male patients presenting with right ventricular dysfunction postoperatively, a significant dose-dependent improvement in hemodynamic function was observed: pulmonary vascular resistance decreased from 336+/-110 to 210+/-59 dynes x s x cm(-5) (P<.0001), cardiac index rose from 2.0+/-0.4 to 2.7+/-0.4 L x min(-1) x m(-2) (P<.003) at 40 ppm; doses of >20 ppm were effective in increasing cardiac index (P<.05). With continuous NO inhalation up to 48 hours, pulmonary vascular resistance decreased further to 155+/-33 dynes x s x cm(-5) (P<.0001) as the cardiac index increased to 3.3+/-0.6 L x min(-1) x m(-2) (P<.003). Pulmonary artery pressure decreased (P<.0001) as did systemic vascular resistance with hemodynamic improvement (P<.01). Central venous pressure and mean arterial pressure remained unchanged. Right ventricular ejection fraction at transesophageal echocardiography increased from 24+/-7% to 44+/-7% (P<.01) at the end of the study, and right ventricular end-diastolic volume decreased (P<.05). Weaning from NO therapy was successful at 2 to 8 days, and all patients were extubated. Right ventricular function remained stable thereafter. CONCLUSIONS: In the treatment of right ventricular dysfunction following LVAD implantation, inhalation of NO markedly decreased right ventricular afterload by its selective vasodilating effects on the pulmonary circulation without producing systemic hypotension; this merits further evaluation.


Subject(s)
Heart-Assist Devices/adverse effects , Nitric Oxide/administration & dosage , Ventricular Dysfunction, Right/drug therapy , Administration, Inhalation , Adolescent , Adult , Aged , Hemodynamics/drug effects , Humans , Male , Middle Aged
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