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Biomedical subjects

M Erdmann

Publications and source records attributed to M Erdmann.

29 records · Page 2Linked to original sources
PubMed1993

Improving the quality and ease of tracking invasive procedures.

Documentation of the decision-making process leading up to an outcome of procedures is essential for assessing quality of patient care, supporting reimbursement, determination of appropriate utilization, and discernment of practitioner competence. Currently, doctors document interventions conducted outside the operating room in narratives within the daily progress notes. The free-form narrative typically includes the practitioner directly involved, procedure performed, technique used and outcomes. While hospitals encourage conformity to these documentation standards, the quality and content of the narratives vary greatly by practitioner, frequently leaving significant information missing. Therefore, to improve both quality of documentation in procedure notes and ease of monitoring non-operating room procedures, we developed a multicopy standardized procedure note. The form contains lines for recording the type, location, indication, anaesthesia, findings, and complications of the procedure, plus the persons performing, supervising and undergoing the procedure. Practitioners complete the multicopy note instead of the usual narrative note. We encode all the information from the standardized note into a data base that accumulates information on all procedures done throughout the hospital. The data base is used to generate summary reports to provide feedback to residents, residency directors and practitioners on procedural proficiency. The major advantage of this system is that it simultaneously improves the quality of documentation and ease of tracking non-operating room procedures at our hospitals. In addition, the system collects the information needed for reimbursement coding, hospital quality assurance and utilization review, and practitioner and resident credentialling purposes.

Clinical Competence↗
PubMed1988

[Comparison of the pharmacokinetics of iron in pregnant and nonpregnant women after oral administration of Vitaferro].

In this paper we represent results concerning pharmacokinetics and bioavailability of iron after the oral application of Vitaferro to women in the second half of pregnancy suffering or not from anaemia in comparison to nonpregnant women. The significance of different parameters used to proof an iron deficiency is discussed. In all pregnant probands the bioavailability of Vitaferro is about twice as high as in nonpregnant women. Also the parameters of elimination refer to an enhanced retention of iron during pregnancy. We conclude from our investigations that an iron deficiency may be diagnosed well by the determination of haemoglobin values, iron concentration in serum, binding capacity and resorption of iron. During pregnancy the preparation Vitaferro is well resorbed and does not cause incompatibilities. Thus it is suitable for the treatment of anaemia during pregnancy.

Administration, Oral↗
PubMed1987

[Computed tomography of atelectasis. A comparative experimental study].

After breathing pure oxygen, total atelectasis of one lung was produced in ten dogs; its development and regression was followed by CT and by conventional radiology. 30 seconds after cessation of ventilation, it was possible to show a rise in CT density of the atelectatic lung from -764 +/- 32 HU to -739 +/- 49 HU. The average time from the cessation of ventilation to total atelectasis averaged 5.5 +/- 1.1 minutes. The earliest sign on conventional radiographs was often seen after 30 seconds and usually after 60 seconds and consisted of mediastinal displacement. Extensive atelectasis regressed in only one out of six animals within one hour after resuming ventilation. The experimental methods and results and the significance of the physiological findings in a clinical context are discussed.

Animals↗
PubMedDate not supplied

[Interobserver reproducibility of Doppler ultrasound measurements of the fetal ductus arteriosus].

In a subgroup of 418 Doppler flow velocimetries of the fetal ductus arteriosus, which were performed to evaluate possible effects of low dose aspirin on fetal hemodynamics, an interobserver reproducibility study was carried out. 55 pulsed Doppler measurements of the fetal ductus arteriosus were performed within 24 hours by two different examinators. Pulsatility Index (PI), peak velocity (Vmax), mean velocity (Vmean) and enddiastolic velocity (Vmin) were obtained from the flow velocity profiles and correlation and variability coefficients were calculated. Peak velocity has been shown to be the most reproducible parameter with highest correlation and lowest variability.

Anti-Inflammatory Agents, Non-Steroidal↗
PubMedDate not supplied

[Utero- and fetoplacental hemodynamic measurements with low dose aspirin].

A prospective randomized double-blind study of low-dose aspirin treatment (100 mg/d) was conducted on a population of 43 pregnant women at risk of pregnancy-induced hypertension, preeclampsia, intrauterine growth retardation. Doppler ultrasound blood flow measurements of the uterine arteries and the umbilical cord, at the fetal and placental end, were obtained on a two-weekly interval in between 18 to 40 weeks of gestation. During the course of pregnancy Doppler indices of both vessels decreased, whereas the absolute velocity of the uterine arteries increased. Perfusion of both vessels did not show any relevant differences in between the aspirin- and placebo-group. Both groups showed a similar median duration of gestation at time of delivery (278 d aspirin vs. 270 d placebo). Comparison of median birthweight (3152.5 g aspirin vs. 2900 g placebo) did not show any significant difference. There were no haemodynamic effects of low-dose aspirin on the utero- and fetoplacental circulation to be demonstrated.

Anti-Inflammatory Agents, Non-Steroidal↗