Matches in SemOpenAlex for { <https://semopenalex.org/work/W1972574251> ?p ?o ?g. }
Showing items 1 to 67 of
67
with 100 items per page.
- W1972574251 endingPage "1105" @default.
- W1972574251 startingPage "1104" @default.
- W1972574251 abstract "Noninvasive detection and semiquantitative assessment of tricuspid regurgitation (TR) were performed using first-pass radionuclide angiography (RNA), by sampling a region of interest over the right atrium for any tracer entering the right atrium during right ventricular systole. The relative amount of tracer entering the right atrium was quantitated and the results were compared with semiquantitative Doppler echocardiographic grading of TR severity. Using the right ventricular time-activity curve to define end-diastolic and end-systolic frames, the right atrial counts for the 2 or 3 cardiac cycles after the peak right ventricular counts were summed. The right atrial “injection fraction” was calculated using the following formula: [(end-systolic counts — end-diastolic counts)/ (end-diastolic counts)] × 100%. The right atrial injection fraction was examined in 51 patients who had good quality RNA and Doppler studies. Of 27 patients with no evidence of TR by Doppler, 26 had a negative right atrial injection fraction. All 24 patients with a positive Doppler for TR had a positive right atrial injection fraction. Comparison of right atrial injection fraction grade ranges with semiquantitative grades of TR severity on Doppler revealed identical grades in 21 of the 24, with a single grade difference in the remaining 3 patients. Thus, right atrial time-activity curve quantitation during routine first-pass RNA allows detection and grading of the severity of TR, with results very similar to pulsed Doppler echocardiography. This simple procedure is easily appended to the evaluation of ventricular performance with first-pass RNA." @default.
- W1972574251 created "2016-06-24" @default.
- W1972574251 creator A5001005594 @default.
- W1972574251 creator A5005492975 @default.
- W1972574251 creator A5077359709 @default.
- W1972574251 date "1982-11-01" @default.
- W1972574251 modified "2023-10-17" @default.
- W1972574251 title "Diagnosis of tricuspid regurgitation by radionuclide angiography" @default.
- W1972574251 cites W1975599199 @default.
- W1972574251 cites W1976145347 @default.
- W1972574251 cites W2008976571 @default.
- W1972574251 cites W2022133610 @default.
- W1972574251 cites W2044120030 @default.
- W1972574251 cites W2082019910 @default.
- W1972574251 cites W2087950491 @default.
- W1972574251 doi "https://doi.org/10.1016/0002-8703(82)90448-3" @default.
- W1972574251 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/7137005" @default.
- W1972574251 hasPublicationYear "1982" @default.
- W1972574251 type Work @default.
- W1972574251 sameAs 1972574251 @default.
- W1972574251 citedByCount "1" @default.
- W1972574251 crossrefType "journal-article" @default.
- W1972574251 hasAuthorship W1972574251A5001005594 @default.
- W1972574251 hasAuthorship W1972574251A5005492975 @default.
- W1972574251 hasAuthorship W1972574251A5077359709 @default.
- W1972574251 hasConcept C126322002 @default.
- W1972574251 hasConcept C126838900 @default.
- W1972574251 hasConcept C164705383 @default.
- W1972574251 hasConcept C2777001951 @default.
- W1972574251 hasConcept C2778198053 @default.
- W1972574251 hasConcept C2780088680 @default.
- W1972574251 hasConcept C57900726 @default.
- W1972574251 hasConcept C71924100 @default.
- W1972574251 hasConcept C78085059 @default.
- W1972574251 hasConcept C84393581 @default.
- W1972574251 hasConceptScore W1972574251C126322002 @default.
- W1972574251 hasConceptScore W1972574251C126838900 @default.
- W1972574251 hasConceptScore W1972574251C164705383 @default.
- W1972574251 hasConceptScore W1972574251C2777001951 @default.
- W1972574251 hasConceptScore W1972574251C2778198053 @default.
- W1972574251 hasConceptScore W1972574251C2780088680 @default.
- W1972574251 hasConceptScore W1972574251C57900726 @default.
- W1972574251 hasConceptScore W1972574251C71924100 @default.
- W1972574251 hasConceptScore W1972574251C78085059 @default.
- W1972574251 hasConceptScore W1972574251C84393581 @default.
- W1972574251 hasIssue "5" @default.
- W1972574251 hasLocation W19725742511 @default.
- W1972574251 hasLocation W19725742512 @default.
- W1972574251 hasOpenAccess W1972574251 @default.
- W1972574251 hasPrimaryLocation W19725742511 @default.
- W1972574251 hasRelatedWork W166593205 @default.
- W1972574251 hasRelatedWork W1967630402 @default.
- W1972574251 hasRelatedWork W1980655841 @default.
- W1972574251 hasRelatedWork W1990517262 @default.
- W1972574251 hasRelatedWork W2002316552 @default.
- W1972574251 hasRelatedWork W2027672079 @default.
- W1972574251 hasRelatedWork W2067568098 @default.
- W1972574251 hasRelatedWork W2136995198 @default.
- W1972574251 hasRelatedWork W2419151499 @default.
- W1972574251 hasRelatedWork W2433612705 @default.
- W1972574251 hasVolume "104" @default.
- W1972574251 isParatext "false" @default.
- W1972574251 isRetracted "false" @default.
- W1972574251 magId "1972574251" @default.
- W1972574251 workType "article" @default.