第十七章 肾功能不全

  • Upload
    justus

  • View
    128

  • Download
    1

Embed Size (px)

DESCRIPTION

第十七章 肾功能不全. ( renal insufficiency). 肾的功能解剖结构示意图. Peritubular capillary. Renal tubule. H 2 O. H 2 O. H 2 O. Renal corpuscle. 肾小球滤过 Glomerular filtration. Flow of filtrate. 肾小管重吸收 Tubular reabsorption. 肾小管分泌 Tubular secretion. Urine. - PowerPoint PPT Presentation

Citation preview

  • (renal insufficiency)

  • Urine Glomerular filtration Tubular reabsorption Tubular secretionFlow of filtrateRenal corpuscle

  • The fundamental unit for renal filtration and resorption

  • :: (renin)(EPO)PGs VitD

  • PGs EPO 125-(OH ) 2VD3

  • 1234

  • Excretion filtration, resorption and secretion, to maintain the balance in water, electrolytes, acid and alkali Endocrine renin, prostaglandins, erythropoietin, 1,25 (OH)2VitD3 Inactivation PTH, pepsinReview of normal renal function

  • Inferior vena cavaAdrenal glandKidneyAortaUreter Bladder Urethra

  • Net Filtration Pressure60 out(25 mmHg)=-(-)60 mmHg10 mmHg25 mmHg

  • GFR

  • 123

  • 1--renin-angiotensia-aldosterone systemRAAS)2erythropoietenEPO3125-D3125-dihydroxyvitamin D,1,25-OH2VD34--kallikrein-kinin-prostaglandin-systemKKPGS5

  • hyperthrophy of remaining nephrons Normal glomeruli, LM 390xGlomerulus from patient with unilat. kidney agenesis, LM 390x

  • (acute renal failureARF)

    GFR

  • 1(ATN) 1 2 3 2 GFR

  • GFRADH

  • 1(ATN) 1 2 3 2 GFR

  • HgCL2 200

  • HgCL2 200

  • 1 1 2 3 42

  • RBFGFR 80~160mmHgRBFGFR50~70mmHgRBFGFR1/2~2/340mmHgRBFGFR80mmHg

  • RPFGFR80180405.3

  • 1- 2RAS34GFR

  • ()1234DIC

  • 12 12GFR GFR

  • RAA - PGE2 ; Ca2+ GFR

  • :,:, GFR AngADHGFR ,,,

  • Normal Cell Apoptotic cell Cell undergoing apoptosis

  • (1) (2)mTAL(S3) (3)mTAL (4) () NO (HO)(CO) /HO ARF

  • 1ATPNa+-K+-ATP 2OFR Na+-K+-ATPCa2+-ATPATP

  • 3GSH4GSH GSH AAPGSLTS 56

  • Na+K+-ATP Ca2+ - ATP Ca2+ATP OFR GSH PGsLTs

  • (1) (2) (3) (4) ATP N450

    200 CHSP70

  • 400ml/d100ml/d 1.010~1.020 > 40mmol/L

  • KfGFRATN

  • ARI ARI >1.020 500 401
  • water intoxication

  • GFR

  • BUN3.57 ~ 5.25mmol/L 10~15mgBUN azotemia

  • GER

  • chronic renal insufficiencyCRI

  • GFR

  • %

  • () 1 2trade-off PTH

  • GFR PTHD3GFR

  • () 1 2 (1)-(2) (3) (4) GFR

  • 1 1nocturia

    2polyuria242000ml 3 400ml

  • 100210351020

    10081012266~300mmolL360~1450mmol/L

  • 1proteinuria

    2

  • lBUN GFR2 = 3 GFR(NPN>40mg/dl GFR

  • GFR PTH D

  • GFR PTHD3GFR

  • 1GFR2PTHCAH+HCO3-3NH3 H+

  • 1 2

    3 PGA2E2

  • PGA2PGE2GFR

  • l 2D3 3

  • ADP 1 2

  • 12 345 RBCRBCATPRBCRBCRBCRBCMPS

  • 1.PTH: 2.: 3.4. 5.500~50006.

  • PTH

  • + + + -+

  • PTH

  • kussmaul

  • 1 ARF2345678910ARF11 ARF12

  • ,68++1.01564 mmol/L809 ummol/L16.2 mmol/LClinical Example

  • 2. Questions3.

  • 35201 6104-52000ml/BP19.3/13.3kPaHb40-70g/LRBC1.3-1.761012/L+RBCWBC0-2/HP33000ml/1.01010 T37R20P120BP20/13kPaRBC1.49 1012/LHb47g/LWBC9.6 109/L1.9mmol/L1.3mmol/L+RBC10-15/HpWBC0-2/Hp0-2/Hp2-3/LPX

  • 1922 965 363