রবিবার, ২০ নভেম্বর, ২০১১

SIRS PATHOPHYSIOLOGY AND TREATMENT


COMPOUNDING INSULT



C/F                                                                      Rx
                                               

                                               1.simple resuscitation
                                                              fluid
                                                              High flow O2(face mask)
                                                2.Global approach
                                                               inotropes/vasoactives
                                               (dobu,enoxamine,piroximone,milrinone,amrinone)
                                                 3.Regional approach
                                                                        
regional perfusion measured by
           renal output                           renoprotectives
                 adult                                         mannitol                ml/bw
                 child                                         frusemide
                 infant                                        renal dose dopa
                                                 (increase output but cant increase perfusion
                                                     rather increase CO) 


           Gut luminal Ph/PCo2/acidosis
                                                        Fluid+blood+inotrop(dobu+dopex)


                                                 4.avoidig nosocomial infection
                                                         Rx    nosocomial pneumonia(spillage from UGIT)
                                                         Avoid H2 blocker
                                                         Use sucralfate

                                               SDD()-destruct pathogen bt maintain commensal  anaerobe

                                                  5.Rx enotoxaemia
                                                          anti endoxin antibody           
                                                           active immunization before major surgery
                                                            bacterocidal/permeability      protein
                                                            endotoxin neutralizing protein
                                                            dextran-polymixin-B conjugate






     SIRS


      responsible     agents                                                                      Rx

1.cytokines:mobilization,localization and activation        I . Ab to TNF-alpha, IL1
 of leukocytes by TNF-alpha, IL1                                 II . low dose dexamethason
                                                                                      (inhibit synth,secretion
                                                                                         high dose—failure)

2.Arachidonic acid metabolites
(play role in MODS)                                                          Ibuprofen
         protective-PGE2                                                        Indomethacin
                                                                                            Cox inhibitors
         deleterious-(Lt, Tx)



3.Degranulating Neutrophils
           release free radicles                                                    super oxide.dismutase
           microvascular injury                                                   Allopurinol
                                                                                                vit-C

4.contact,coagulation,compliment activator
(DIC due to imbalance bet pro & anti coagulants)                Anti Thrombin III
                                                                                                C1 esterase

5.Endogenous Anti inflammatory agents                             Anti IL-1, Anti TNF-alpha
      regulating IL1,TNF-alpha                                              IL-10(macrophage deactivator)



6.NO
     as vasodilator—septic shock                                    block by NMMA(Ng-monomethyl
                                                                                                                      -arginine)

                                                                       (   restore vascular resp to catecholamine  )

     modify neutro-plat interaction---MODS(by        
                   microvas occlution)


                                                                                        ARDS-admin NO
                                                                        (it increases O2 supply by pulm vasodilation
                                                                     without any syst effect-decreases PA pressure)

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