What to do if the eGFR drops from 50 to 42 ml/min/m2 during decongestive therapy in acute #HeartFailure ?
Short #Tweetorial on worsening renal function (WRF) (1/9).
#Cardiotwitter #Cardiology #FOAMed #Cardiorenal #MedEd #MedTwitter #Nephrology #ADVOR #HeartFailure2022 #HFA_ESC
There is an underappreciated risk of poor outcome in heart failure patients discharged with ongoing congestion and WRF (2/9).
Pivotal paper of @MarcoMetra ahajournals.org/doi/10.1161/ci…
Appropriate and thorough decongestion is class I recommendation in HFA-ESC guidelines so DON'T stop decongestive efforts during WRF (3/9).
academic.oup.com/eurheartj/arti…
Clinical scenario 1 = assess diuretic response -> if OK: continue similar decongestive efforts (=pseudo-WRF) (4/9).
Clinical scenario 2 = assess diuretic response -> if poor -> assess CVP + TTE + measure intra-abdominal pressure (IAP) -> consider paracentesis if IAP ↑ secondary to ascites (5/9)
Clinical scenario 3: check for hypoperfusion (which is extremely rare) -> if hypoperfusion: consider mechanical circulatory support or inotropic agents to optimize hemodynamic status (6/9).
Clinical scenario 4: check for hypoperfusion -> if no hypoperfusion: increase diuretic intensity and consider IV vasodilators (7/9).
In parallel: continue and even upitrate neurohumoral blockers as diuretic efficacy is increased despite lower blood pressure and WRF, however caution if serum creatinine increase is too high (8/9)
ahajournals.org/doi/10.1161/CI…

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More from @WilfriedMullens

Mar 29
Which statement is correct with regards to the use of diuretics in #HeartFailure with congestion?

Short #Tweetorial on how to use diuretics in heart failure (1/9).

#Cardiotwitter #Cardiology #FOAMed #Cardiorenal #MedEd #MedTwitter #Nephrology #ADVOR #HeartFailure2022 #HFA_ESC
Door to ‘diuretic’ time: earlier administration of loop diuretics is associated with improved outcomes independent of HF severity (2/9).
jacc.org/doi/abs/10.101…
The first dose of the loop diuretic should be 40 mg furosemide (=1 mg bumetanide) in diuretic naïve and twice the home dose in patients on loop diuretic (3/9).
Read 9 tweets
Mar 8
1/10. Wat is the most important driver of worsening renal function in #HeartFailure ?

Look at #Tweetorial on central hemodynamic derangements in heart failure

#Cardiotwitter #Cardiology #FOAMed #Cardiorenal #MedEd #MedTwitter #Nephrology #ADVOR
2/10. The kidney is a remarkable vascular organ. Renal blood flow = 1000 ml/min, renal plasma flow = 600 ml/min.
3/10. Elevated central venous pressure affects renal function significantly more than reduced cardiac output in heart failure. jacc.org/doi/10.1016/j.…
Read 10 tweets
Feb 23
Tweet: renal sodium avidity in #HeartFailure

Do you ever wonder what is happening in the kidney in Heart Failure patients? Here’s a short #Tweetorial on renal physiology in HF (1/6).
#Cardiotwitter #Cardiology #FOAMed #Cardiorenal #MedEd #MedTwitter #Nephrology #ADVOR
Glomerulus: renal blood flow ↓ in HF, but the kidney tries to maintain GFR by afferent arteriolar vasodilation and efferent arteriolar vasoconstriction. This leads to single-nephron hyperfiltration initially preserving total GFR, but further damaging the glomerulus. (2/6)
Proximal tubules: hyperfiltration leads to ↑ water and solutes filtered, but ↓ remaining in the peritubular capillaries. Due to ↑ peritubular capillary oncotic pressure + ↑ renal lymph flow -> ↑ water and Na+ reabsorption in the proximal tubules (3/6)
Read 6 tweets

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