Beatrice Hoffmann

ORCID: 0000-0002-1820-9430
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About
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Research Areas
  • Ultrasound in Clinical Applications
  • Radiology practices and education
  • Radiation Dose and Imaging
  • Reproductive Physiology in Livestock
  • Veterinary Medicine and Surgery
  • Appendicitis Diagnosis and Management
  • Cardiac, Anesthesia and Surgical Outcomes
  • Hemodynamic Monitoring and Therapy
  • Emergency and Acute Care Studies
  • Airway Management and Intubation Techniques
  • Innovations in Medical Education
  • Cardiac Arrest and Resuscitation
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Animal Behavior and Welfare Studies
  • Aortic aneurysm repair treatments
  • Neuroendocrine regulation and behavior
  • Animal Nutrition and Physiology
  • Advanced MRI Techniques and Applications
  • Disaster Response and Management
  • Trauma Management and Diagnosis
  • Facial Trauma and Fracture Management
  • Abdominal Trauma and Injuries
  • Pharmacological Effects and Assays
  • Venous Thromboembolism Diagnosis and Management
  • Trauma and Emergency Care Studies

Beth Israel Deaconess Medical Center
2015-2024

Harvard University
2014-2024

Altrecht GGZ
2024

Hadassah Medical Center
2014-2024

Unfallkrankenhaus Meidling
2024

Allgemeine Unfallversicherungsanstalt
2024

Medizinische Hochschule Hannover
1987-2023

Deaconess Hospital
2023

Beth Israel Deaconess Hospital
2022-2023

James Cook University
2022

The radioimmunoassay described for the determination of progesterone only involves extraction plasma andsubsequent performance protein-binding reaction. antisera used were obtained from rabbits and directed against 11α- OH-progesterone hemisuccinate BSA. A high degree reliability was criteria specificity, sensitivity, accuracy precision. Application method during bovine oestrous cycle revealed that there is no preovulatory rise in this species. presence peripheral bulls demonstrated.

10.1159/000178317 article EN Hormone Research 1973-01-01

The objective was to measure the association between returns an emergency department (ED) within 72 hours and resource utilization, severity of illness, mortality, admission rate.This a retrospective, cross-sectional analysis ED visits using data from National Hospital Ambulatory Medical Care Survey (NHAMCS) 1998 2006. Cohorts were patients who had been seen in past versus those without prior visit. A multivariate model created predict adjusted-resource utilization mortality or rate.During...

10.1111/j.1553-2712.2011.01042.x article EN Academic Emergency Medicine 2011-04-01

Abstract Objectives The purpose of this study is to provide expert consensus recommendations establish a global ultrasound curriculum for undergraduate medical students. Methods 64 multi-disciplinary experts from 16 countries, 50 consultants, and 21 students residents contributed these recommendations. A modified Delphi method was used that included systematic literature search, evaluation the quality by GRADE system, RAND appropriateness panel judgment decisions. process four in-person...

10.1186/s13089-022-00279-1 article EN cc-by The Ultrasound Journal 2022-07-27

Abstract. Oestrogens, testosterone, and 5α-androstenone ('boar taint steroid') were determined in peripheral spermatic vein blood plasma of boars. Oestrone was the predominant steroid both conjugated unconjugated fractions total oestrogens. Concentrations oestrogens generally are range several nanograms/ml, which is similar to testosterone. Unconjugated lower nanogram-range. These concentrations, however, still higher than those during oestrus sows. Stimulation with hCG led increased...

10.1530/acta.0.0940404 article EN European Journal of Endocrinology 1980-07-01

In studies of five hysterectomized and control dogs, hysterectomy shortened the anoestrous interval (96\m=.\6\m=+-\ 28\m=.\0versus149\m=.\4\m=+-\50\m=.\9days, P < 0\m=.\05).No differences in hormone concentrations (progesterone, oestradiol, prolactin growth hormone) were observed between dogs except for a brief fall progesterone over 8 days immediately after surgery, 35 40 onset pro-oestrous bleeding; only these animals developed symptoms overt pseudopregnancy.It is concluded that, luteal...

10.1530/jrf.0.0960837 article EN Reproduction 1992-11-01

Concentrations of progesterone and estradiol-17ß were determined throughout pregnancy in 6 to 10 bitches (exp. 1); experiment 2 peripartal changes estradiol-17ß, estrone, progesterone, cortisol, prolactin growth hormone 5 bitches; 3 total unconjugated oestrogens by radioimmunoassay radioreceptorassay placenta1 tissue from 25, 53, 60 64 days pregnant bitches. No specific increase could be observed; levels decreased prior parturition concomitant with the decrease suggesting a likewise luteal...

10.1055/s-0029-1211280 article EN Experimental and Clinical Endocrinology & Diabetes 2009-07-15

Novel severe acute respiratory syndrome coronavirus 2 (COVID-19) has become a pandemic of epic proportions, and global response to prepare health systems worldwide is utmost importance. 2-dimensional (2D) lung ultrasound (LUS) emerged as rapid, noninvasive imaging tool for diagnosing COVID-19 infected patients. Concerns surrounding LUS include the disparity patients healthcare providers, importantly, requirement substantial physical contact between patient operator, increasing risk...

10.1109/lra.2021.3068702 article EN IEEE Robotics and Automation Letters 2021-03-24

The mediator accounting for the major relaxant responses to electrical field stimulation of human airways was previously identified as nitric oxide (NO). In present study, we examined distribution neuronal isoform NO-generating enzyme, synthase (bNOS, type I NOS) in nerve fibers (trachea, large and small bronchi, bronchioli) well intrinsic sensory ganglia airway innervation by means quantitative histochemistry (NADPH-diaphorase technique) immunohistochemistry. Correlation with substance P...

10.1164/ajrccm.154.1.8680682 article EN American Journal of Respiratory and Critical Care Medicine 1996-07-01

Progesterone (P4) measurement in the peripheral blood is an objective parameter for determination of reproductive functions bitch. This study evaluates enzyme-linked fluorescence assay (ELFA) (Biomerieux, France) progesterone validated use human. The ELFA to be performed on MiniVidas automated analyser which provides quantitative results within 45 min. Blood samples from a total 27 female dogs different breeds were used. To test correctness 15 with range 0.3-40.0 ng/ml compared...

10.1111/j.1439-0531.2011.01757.x article EN Reproduction in Domestic Animals 2011-02-15

Abstract Competency in clinical ultrasound is essential to ensuring safe patient care. includes identifying when perform a ultrasound, performing the technical skills required for image acquisition, accurately interpreting images, and incorporating sonographic findings into practice. In this concept paper, we discuss advantages limitations of existing tools measure competency. We propose strategies future directions assessing competency ultrasound.

10.1002/aet2.10368 article EN AEM Education and Training 2019-06-09

Point-of-care ultrasound (PoCUS) has become an indispensable standard in emergency medicine. Emergency medicine (EMUS) is the application of bedside PoCUS by attending physician to assist diagnosis and management many time-sensitive health emergencies. In ways, using not only mere technology, but also a fusion already existing examiner skills technology context patient encounter. EMUS practice can be defined distinct anatomy-based applications. The type applications their complexity usually...

10.3390/medicina59122179 article EN cc-by Medicina 2023-12-15

<b>Purpose:</b> In controlled environments such as the operating room, bedside ultrasound (BUS) of neck has shown high accuracy for distinguishing endotracheal (ETI) from esophageal intubations. We sought to determine BUS tube (ETT) position in emergency department (ED) setting. <b>Materials and Methods:</b> assessed utility a single-center observational study an ED was performed either simultaneously with intubation (S/ED), within < 3 minutes (A/ED), or patient's arrival after pre-hospital...

10.1055/s-0034-1366014 article EN Ultraschall in der Medizin - European Journal of Ultrasound 2014-07-11
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