Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et...

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Kalium Bob Zietse, internist-nefroloog

Transcript of Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et...

Page 1: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

KaliumBob Zietse,

internist-nefroloog

Page 2: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Kalium in het Paleo dieet

Page 3: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Dagelijkse kaliumbalans

Page 4: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Postprandiale translocatie van Kalium

Page 5: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute
Page 6: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Regulatie Renale Kalium Excretie

Page 7: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Regulatie renale K+ excretie

1. Aldosteron 2. Distale flow

Page 8: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Wat bepaalt of er K excretie plaatsvindt?

Distal delivery van Natrium en

distal flow

Aantal ENaC kanalen en hun

“open probability”

(mineralocorticoid effect)

Negatief voltage in CNT/CCD

Niet reabsorbeerbare anionen in

het tubulus lumen; b.v. Bicarb

+

Page 9: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Feedback & feedforward

Greenlee et al., Ann Intern Med 2009

Page 10: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Relatie

kalium balans

en

volume balans

Page 11: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Tegengesteld effect van flow en ENaC

Page 12: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Hypokaliemie

Page 13: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Symptomen hypokaliëmie

Spier

• Spierzwakte

• Ileus

• Rhabdomyolyse

• Respiratoire insufficiëntie

• Paralyse

Hartgeleiding

• U-golf, ST-depressie, QT

• PAC’s, PVC’s

• Tachycardie

• AV-blok

• Ventrikelfibrilleren

Page 14: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Oorzaken hypokaliëmie

1. Shift

2. Extrarenaal kaliumverlies

3. Renaal kaliumverlies

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Is er sprake van shift ?

Page 16: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Differentiatie hypokaliëmie

• Urine kalium

• Aanwezigheid hypertensie

• Wat is de [Mg]

• Zuur-base status

• Urine chloor

Page 17: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Urine kalium

Lin et al., Arch Intern Med 2004

Spot urine K Spot urine K / kreatinine

Page 18: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Aanwezigheid hypertensie

Hyperaldosteronisme

• Sporadisch

• Familiair (types I – III)

Pseudohyperaldosteronisme

• Apparent mineralocorticoid excess (11ßHSD)

• Syndroom van Liddle

• Activerende mutatie mineralocorticoïd receptor

Overig

• Nierarteriestenose

• Syndroom van Cushing (ectopisch ACTH)

Page 19: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Wat is de [Mg]?

Subramanya et al., Clin J Am Soc Nephrol 2014

Page 20: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

K+

Effect zuurbase balans op de K+ secretie in de nier

alkalose

intracellulair

K overschot

+

K+

H+

Hypokaliemie

Hypokaliemie

K+ ↓

H+ ↓

Page 21: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Hyperkaliemie

Page 22: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Symptomen hyperkaliëmie

Page 23: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Hyperkaliëmie

Page 24: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Oorzaken hyperkaliëmie

1. Shift

2. Minder filtratie

3. Minder secretie

Page 25: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Differentiatie hyperkaliëmie

• Hemolyse?

• Trombo- of leukocytose?

• Celverval?

• Nierfunctiestoornissen?

• Zuur-base status?

Pseudo!

Page 26: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Renine

Angiotensine II

Aldosteron

Angiotensine I

Spironolacton

ACE-remmer

Co-trimoxazol

Na+

K+

H+

Serum K+

GFR ↓

Page 27: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Behandeling hyperkaliëmie: waarom?

• Bedreigt de patiënt acuut (minuten, uren)

• Bedreigt de patiënt chronisch (dagen)

• Wil RAAS-blokker eigenlijk niet stoppen

Page 28: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Behandeling hyperkaliëmie: hoe?

Renale excretie

• Infuus

• Lisdiuretica

• Fludrocortison

Extracorporeel

• Hemodialyse

• Hemofiltratie

“Oude” binders

• Natriumpolystyreensulfonaat

• Calciumpolystyreensulfonaat

Shift

• Insuline

• Bicarbonaat

• (Salbutamol)

• (Noradrenaline)

Nieuwe binders

• Zirconium

cyclosilicaat 9 (ZS-9)

• Patiromeer

Page 29: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Effectiviteit behandeling

Blumberg et al., Am J Med 1988

Page 30: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Orale kaliumbinders ?

Page 31: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

• 123.391 patiënten

• 2194 patiënten SPS

• 82 darmnecrose

• 0.14% vs. 0.07%

• NNH = 1395

Watson, 2012

Page 32: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Lepage et al., Clin J Am Soc Nephrol 2015

Page 33: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

Patiromeer

Bakris et al., JAMA 2015

Page 34: Kalium - Internisten · ACE-remmer Co-trimoxazol Na+ K+ H+ Serum K+ ... Watson, 2012 . Lepage et al., Clin J Am Soc Nephrol 2015 . Patiromeer Bakris et al., JAMA 2015. ZS-9: acute

ZS-9: acute effecten

Kosiborod et al., JAMA 2014