Mikhail Dziadzko

Dr. Mikhail Dziadzko

orcid

Research Focus & Metrics

Academic Career Length

12Years (2015-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

View All Publications
23 May 2019 in European Heart Journal
Verified
Journal Article
Closed access
VDVolha Dziadzko
Volha Dziadzko
MDMikhail Dziadzko
Mikhail Dziadzko
JMJose R. Medina-Inojosa
Jose R. Medina-Inojosa
GBGiovanni Benfari
Giovanni Benfari
HMHector I Michelena
Hector I Michelena
MEMaurice Enriquez-Sarano
Maurice Enriquez-Sarano
Aims: To define the hitherto unknown aetiology/mechanism distributions of mitral regurgitation (MR) in the community and the linked clinical characteristics/outcomes. Methods and results: We identified all isolated, moderate/severe MR diagnosed in our community (Olmsted County, MN, USA) between 2000 and 2010 and classified MR aetiology/mechanisms. Eligible patients (n = 727) were 73 ± 18 years, 51% females, with ejection fraction (EF) 49 ± 17%. MR was functional (FMR) in 65%, organic (OMR) in 32% and 2% mixed. Functional MR was linked to left ventricular remodelling (FMR-v) 38% and isolated atrial dilatation (FMR-a) 27%. At diagnosis FMR-v vs. FMR-a, vs. OMR displayed profound differences (all P < 0.0001) in age (73 ± 14, 80 ± 10, 68 ± 21years), male-sex (59, 33, 51%), atrial-fibrillation (28, 54, 13%), EF (33 ± 14, 57 ± 11, 61 ± 10%), and regurgitant-volume (38 ± 13, 37 ± 11, 51 ± 24 mL/beat). Dominant MR mechanism was Type I (normal valve-movement) 38%, Type II (excessive valve-movement) 25%, Type IIIa (diastolic movement-restriction) 3%, and Type IIIb (systolic movement-restriction) 34%. Outcomes were mediocre with excess-mortality vs. general-population in FMR-v [risk ratio 3.45 (2.98–3.99), P < 0.0001] but also FMR-a [risk ratio 1.88 (1.52–2.25), P < 0.0001] and OMR [risk ratio 1.83 (1.50–2.22), P < 0.0001]. Heart failure was frequent, particularly in FMR-v (5-year 83 ± 3% vs. 59 ± 4% FMR-a, 40 ± 3% OMR, P < 0.0001). Mitral surgery during patients’ lifetime was performed in 4% of FMR-v, 3% of FMR-a, and 37% of OMR. Conclusion: Moderate/severe isolated MR in the community displays considerable aetiology/mechanism heterogeneity. Functional MR dominates, mostly FMR-v but FMR-a is frequent and degenerative MR dominates OMR. Outcomes are mediocre with excess-mortality particularly with FMR-v but FMR-a, despite normal EF incurs notable excess-mortality and frequent heart failure. Pervasive undertreatment warrants clinical trials of therapies tailored to specific MR cause/mechanisms.

23 April 2016 in Journal of the American Medical Informatics Association
Verified
Journal Article
Open access
PDF file
MEMarc A Ellsworth
Marc A Ellsworth
MDMikhail Dziadzko
Mikhail Dziadzko
JOJohn C O'HOro
John C O'HOro
AFAnn M Farrell
Ann M Farrell
JZJiajie Zhang
Jiajie Zhang
Vitaly HarsevichVitaly Harsevich
Vitaly Harsevich
Objective: In this systematic review, we aimed to evaluate methodological and reporting trends present in the current literature by investigating published usability studies of electronic health records (EHRs). Methods: A literature search was conducted for articles published through January 2015 using MEDLINE (Ovid), EMBASE, Scopus, and Web of Science, supplemented by citation and reference list reviews. Studies were included if they tested the usability of hospital and clinic EHR systems in the inpatient, outpatient, emergency department, or operating room setting. Results: A total of 4848 references were identified for title and abstract screening. Full text screening was performed for 197 articles, with 120 meeting the criteria for study inclusion. Conclusion: A review of the literature demonstrates a paucity of quality published studies describing scientifically valid and reproducible usability evaluations at various stages of EHR system development. A lack of formal and standardized reporting of EHR usability evaluation results is a major contributor to this knowledge gap, and efforts to improve this deficiency will be one step of moving the field of usability engineering forward.

1 January 2018 in Mayo Clinic Proceedings
Verified
Journal Article
Closed access
ASAmra Sakusic
Amra Sakusic
JOJohn C. O'HOro
John C. O'HOro
MDMikhail Dziadzko
Mikhail Dziadzko
DVDziadzko Volha
Dziadzko Volha
RARashid Ali
Rashid Ali
ARAlejandro A. Rabinstein
Alejandro A. Rabinstein

1 April 2018 in Critical Care Medicine
Verified
Journal Article
Closed access
PDF file
MWMichael E. Wilson
Michael E. Wilson
ABAmelia Barwise
Amelia Barwise
KHKatherine J. Heise
Katherine J. Heise
TLTheodore O. Loftsgard
Theodore O. Loftsgard
MDMikhail Dziadzko
Mikhail Dziadzko
MBMichelle Biehl
Michelle Biehl
Objective: Predictors of long-term functional impairment in acute respiratory failure of all causes are poorly understood. Our objective was to assess the frequency and predictors of long-term functional impairment or death after invasive mechanical ventilation for acute respiratory failure of all causes. Design: Population-based, observational cohort study. Setting: Eight adult ICUs of a single center. Patients: All adult patients from Olmsted County, Minnesota, without baseline functional impairment who received mechanical ventilation in ICUs for acute respiratory failure of all causes from 2005 through 2009. Interventions: None. Measurements and Main Results: In total, 743 patients without baseline functional impairment received mechanical ventilation in the ICU. At 1- and 5-year follow-up, the rates of survival with return to baseline functional ability were 61% (366/597) and 53% (356/669). Among 71 patients with new functional impairment at 1 year, 55% (39/71) had recovered and were alive without functional impairment at 5 years. Factors predictive of new functional impairment or death at 1 year were age, comorbidities, discharge to other than home, mechanical ventilation of 7 days or longer, and stroke. Of factors known at the time of intubation, the following are predictive of new functional impairment or death: age, comorbidities, nonsurgical condition, Acute Physiology and Chronic Health Evaluation III score, stroke, and sepsis. Post hoc sensitivity analyses revealed no significant change in predictor variables in patient populations when stroke was excluded or who received more than 48 hours of mechanical ventilation. Conclusions: At 1- and 5-year follow-up, many patients who received mechanical ventilation for acute respiratory failure from all causes are no longer alive or have new moderate-to-severe functional impairment. Functional recovery between year 1 and year 5 is possible and common. Sepsis, stroke, illness severity, age, and comorbidities predict long-term functional outcome at intubation.

1 July 2017 in General Hospital Psychiatry
Verified
Journal Article
Closed access
VDVolha Dziadzko
Volha Dziadzko
MDMikhail Dziadzko
Mikhail Dziadzko
MJMargaret M. Johnson
Margaret M. Johnson
OGOgnjen Gajic
Ognjen Gajic
LKLioudmila V. Karnatovskaia
Lioudmila V. Karnatovskaia

Verified
Journal Article
Open access
PDF file
MDMikhail Dziadzko
Mikhail Dziadzko
TMTessa Mazard
Tessa Mazard
MBMyriam Bonhomme
Myriam Bonhomme
MRMahé Raffin
Mahé Raffin
PPPierre Pradat
Pierre Pradat
FAFrederic Aubrun
Frederic Aubrun
Severe preoperative anxiety (SPA) in surgical patients may have clinical consequences and worsen satisfaction. Some institutions have a surgical transfer and waiting area (TWA) for patient reception/dispatch to operating rooms. We measured the frequency of SPA, investigated predicting factors, and quantified the effect of the TWA stay on anxiety levels in a single centre cross-sectional study. Preoperative anxiety was assessed using three scales. Patients’ perceptions/suggestions were studied by a psychoanalyst. A total of 933 adult patients, undergoing elective procedures, were interviewed. SPA was detected in 24.7%, non-modified by anxiolytic premedication. Patients’ median stay was 9 min, and anxiety level was decreasing in those with SPA. In multivariable analysis, female sex, inpatient settings, and pain before the procedure were predictive for SPA. Previous operating room experience, and a supine arrival position were associated with less SPA. Patients complained about a lack of information, and an uncomfortable environment in the waiting area. To reduce anxiety, they mainly asked for warm blankets/music (physical/sound barriers), and extra sedative agents. The holding area may be a place to measure patients’ anxiety by paramedical staff, and to apply simple non-pharmacological interventions. The psychological concept of psychical envelopes may be useful for the development and investigation of such interventions in improving patients’ experience.