Katherine Scovner Ravi

ORCID: 0000-0001-8894-0790
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About
Contact & Profiles
Research Areas
  • Hemodynamic Monitoring and Therapy
  • Dialysis and Renal Disease Management
  • Central Venous Catheters and Hemodialysis
  • Renal function and acid-base balance
  • Blood Pressure and Hypertension Studies
  • Cardiovascular Function and Risk Factors
  • Body Composition Measurement Techniques
  • Ultrasound in Clinical Applications
  • Ultrasound and Hyperthermia Applications
  • Diabetes, Cardiovascular Risks, and Lipoproteins
  • Cardiac Imaging and Diagnostics
  • Vascular Procedures and Complications
  • Atherosclerosis and Cardiovascular Diseases
  • Cardiovascular and Diving-Related Complications
  • Diabetes Management and Research
  • Muscle and Compartmental Disorders
  • Non-Invasive Vital Sign Monitoring
  • Electrical and Bioimpedance Tomography
  • Parathyroid Disorders and Treatments
  • Cardiac Arrest and Resuscitation
  • Diverse Scientific Research Studies
  • Genetic and Kidney Cyst Diseases

Brigham and Women's Hospital
2021-2025

Harvard University
2021-2025

Background Intradialytic hypertension, defined as an increase in BP from pre- to post-hemodialysis (HD), affects 5%–15% of patients receiving maintenance HD and is associated with cardiovascular all-cause mortality. Hypervolemia believed be a major etiological factor, yet the association more objective biomarkers volume status intradialytic hypertension not well described. Methods In post hoc analysis Frequent Hemodialysis Network Daily Trial ( n =234), using data baseline, 1-, 4-, 12-month...

10.2215/cjn.0000000000000356 article EN Clinical Journal of the American Society of Nephrology 2023-11-16

Sudden death accounts for approximately 25% of deaths among maintenance hemodialysis patients, occurring more frequently on days. Higher dialysate bicarbonate (DBIC) may predispose to alkalemia and arrhythmogenesis.

10.34067/kid.0000000000000537 article EN cc-by-nc-nd Kidney360 2024-08-06

ABSTRACT Background Several large dialysis organizations have lowered the dialysate sodium concentration (DNa) in an effort to ameliorate hypervolemia. The implications of lower DNa on intra-dialytic hypotension (IDH) during hospitalizations hemodialysis (HD) patients is unclear. Methods In this double-blind, single center, randomized controlled trial (RCT), hospitalized maintenance HD were receive higher (142 mmol/L) or (138 for up six sessions. Blood pressure (BP) was measured a...

10.1093/ndt/gfab329 article EN Nephrology Dialysis Transplantation 2021-11-16

Of the more than 550,000 patients receiving maintenance hemodialysis (HD) in United States, each has an average of 1.6 admissions annually (>880,000 inpatient HD sessions). Little is known about temporal changes laboratory values, ECGs, and intravascular extravascular volume during sessions.In this prospective cohort study hospitalized patients, we assessed intradialytic values (metabolic panels, blood gases, ionized calcium levels), sonographic measures status.Among 30 participants...

10.34067/kid.0001652022 article EN cc-by-nc-nd Kidney360 2022-05-23

Chronic kidney disease (CKD) and left ventricular (LV) dysfunction are risk factors for cardiovascular events. We explore whether the association of LV ejection fraction (LVEF) with cardiac arrest, heart failure hospitalization, all-cause mortality differs across stages impairment.

10.1016/j.ekir.2023.08.030 article EN cc-by-nc-nd Kidney International Reports 2023-08-25

Abstract Introduction Intradialytic hypotension (IDH) is a common complication of hemodialysis (HD) and associated with excess morbidity mortality. Higher serum phosphate adverse cardiovascular outcomes in maintenance HD patients; however, its association IDH has not previously been assessed. Methods This an analysis prospective cohort 969 patients (80,968 sessions) receiving at large dialysis organization (LDO) post‐hoc 1838 (10,594 the Hemodialysis study (HEMO), multicenter randomized...

10.1111/hdi.12971 article EN Hemodialysis International 2021-07-08

Intradialytic hypotension (IDH) is a common complication of hemodialysis (HD) and associated with higher risk cardiovascular (CV) events mortality. CV are more on the days HD, especially following longer interdialytic interval. We investigated IDH according to day HD in adults undergoing in-center, thrice-weekly Hemodialysis (HEMO) Study (N = 1,837 patients; n 64,474 sessions), DaVita Clinical Research biorepository [BioReG]) 952 61,197 sessions). Random effects logistic regression models...

10.1097/mat.0000000000001576 article EN ASAIO Journal 2021-09-08
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