pancreatic diseases
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Pancreatic diseases. WU JIAN Department of hepatobiliary Surgery First Affiliated Hospital Zhejiang University School of Medicine. Pancreas: Anatomy and Physiology. Retroperitoneal organ 15-20cm in length Head, neck, body and tail - PowerPoint PPT PresentationTRANSCRIPT
Pancreatic Pancreatic diseasesdiseases
WU JIAN WU JIAN Department of hepatobiliary Surgery Department of hepatobiliary Surgery
First Affiliated HospitalFirst Affiliated HospitalZhejiang University School of MedicineZhejiang University School of Medicine
Pancreas: Anatomy and Pancreas: Anatomy and PhysiologyPhysiology
Retroperitoneal organRetroperitoneal organ 15-20cm in length15-20cm in length Head, neck, body and tailHead, neck, body and tail Uncinate process: curves behind the superior mesenteriUncinate process: curves behind the superior mesenteric vessels c vessels
PosteriorPosterior L1-2 vertebral cL1-2 vertebral columnolumn AnteriorAnterior stomach, omenstomach, omentumtum RightRight DuodenumDuodenum LeftLeft Splenic hilumSplenic hilum
Neighborhood of the Neighborhood of the pancreaspancreas
Main duct : Wirsung ( 1642)Main duct : Wirsung ( 1642) Ampula: Vater (1720)Ampula: Vater (1720) Accessory duct : Santorini( 173Accessory duct : Santorini( 1734)4)
Pancreas: blood Pancreas: blood supplysupply
HEADHEAD :: Superior pancreatoduodSuperior pancreatoduodenal A. (from gastroduodenal A. (from gastroduodenal A.)enal A.) Inferior pancreatoduodeInferior pancreatoduodenal A. (from SMA)nal A. (from SMA) BODY AND TAILBODY AND TAIL :: superior pancreatic A.superior pancreatic A. pancreatic magna A.pancreatic magna A. transverse pancreatic A.transverse pancreatic A. VEINVEIN :: to splenic vein ,SMV and to splenic vein ,SMV and portal veinportal vein
Lymphatic drainage of Lymphatic drainage of pancreaspancreas
Common Common pathwaypathway
PhysiologyPhysiology
ExocrineExocrine :: pancreatic juicepancreatic juice 。。 HCOHCO33-- and digestive enzyme and digestive enzyme EndocrineEndocrine ::
A cellA cell :: glycagonglycagon B cellB cell :: insulininsulin D cell D cell :: somatostatinsomatostatin G cell G cell :: gastringastrin
Acute PancreatitisAcute Pancreatitis Chronic PancreatitisChronic Pancreatitis Pancreatic cancerPancreatic cancer Periampullary cancPeriampullary canc
erer Endocrinal tumor Endocrinal tumor
AcuteAcute PancreatitisPancreatitis
Common acute abdomenCommon acute abdomen Local inflammatory change in Local inflammatory change in
pancreaspancreas Systemic changeSystemic change Life-threatening inflammatory Life-threatening inflammatory
disorder of the pancreasdisorder of the pancreas Abrupt onset and Abrupt onset and
unpredictable courseunpredictable course Variable severity and durationVariable severity and duration Self-limited but remarkable Self-limited but remarkable
morbidity and mortalitymorbidity and mortality
EtiologyEtiology Biliary tract diseaseBiliary tract disease Abuse of ethanolAbuse of ethanol Endoscopic retrograde cholangioEndoscopic retrograde cholangio
pancreatographypancreatography Trauma and operation Trauma and operation Ischemia of pancreasIschemia of pancreas DrugsDrugs Idiopathic pancreatitisIdiopathic pancreatitis Hypercalcemia Hypercalcemia Hyperlipidemia Hyperlipidemia Infections and Parasites Infections and Parasites Scorpion sting Scorpion sting
PATHOGENESISPATHOGENESIS
““Self digestion”Self digestion” Reflux of bile or duodenal juiceReflux of bile or duodenal juice Trypsinogen was activatedTrypsinogen was activated Trypsin can activate the other zymogensTrypsin can activate the other zymogens Intraparenchymal enzyme activation, tissue dIntraparenchymal enzyme activation, tissue d
estruction, and ischaemic necrosis.estruction, and ischaemic necrosis.
Pathological and Pathological and clinical typeclinical type
Pathological type Pathological type Acute edematic pancreatitisAcute edematic pancreatitis Acute hemorrhgic and necrotic pancreatitis (AAcute hemorrhgic and necrotic pancreatitis (AHNP)HNP)
Clinical typeClinical type Mild Acute pancreatitis (MAP)Mild Acute pancreatitis (MAP) Severe Acute pancreatitis (SAP)Severe Acute pancreatitis (SAP) Fulminant Acute pancreatitis (FAP)Fulminant Acute pancreatitis (FAP)
Clinical manifestationsClinical manifestations
Abdominal painAbdominal pain Nausea, vomitingNausea, vomiting Distension Tenderness, rebound tenderness, muscular regaTenderness, rebound tenderness, muscular regardrd FeverFever ,, jaundicejaundice , , Gray-Turner sign: flank ecchymoses Gray-Turner sign: flank ecchymoses Cullen sign: periumbilical ecchymoses Cullen sign: periumbilical ecchymoses MODSMODS
laboratory testlaboratory test
Amylase level in serum and in urineAmylase level in serum and in urine Lipase assaysLipase assays Blood Rt, liver function, FBS, PaCO2 ,Blood Rt, liver function, FBS, PaCO2 ,
serum calcium, DICserum calcium, DIC Diagnostic paracentesisDiagnostic paracentesis
Image findingsImage findings
BUSBUS CT CT ERCPERCP MRCPMRCP Abdomen plain Abdomen plain
filmfilm
Pancreatic necrosisPancreatic necrosis Infective pancreatic necrosisInfective pancreatic necrosis Sterile pancreatic necrosisSterile pancreatic necrosis
Pancreatic abscessPancreatic abscess Pancreatic pseudocystPancreatic pseudocyst
Local complicationLocal complication
Acute pancreatic pseudocystAcute pancreatic pseudocyst
Peripancreatic fluid collections occur in 10-Peripancreatic fluid collections occur in 10-20 % of patients20 % of patients
Those persisting beyond the phase of acute iThose persisting beyond the phase of acute inflammation become pancreatic pseudocystnflammation become pancreatic pseudocystss
Collection surrounded by fibrous tissue or gCollection surrounded by fibrous tissue or granula tissueranula tissue
Diagnosed by PE or image test Diagnosed by PE or image test Round or ellipseRound or ellipse Clear cyst wallClear cyst wall
Severe Acute PancreatitisSevere Acute Pancreatitis
Severe Acute pancreatitis (SAP)Severe Acute pancreatitis (SAP) Complicated with MODSComplicated with MODS Necrosis, abscess, pseudocystNecrosis, abscess, pseudocyst Or bothOr both
ClassificationClassification systemsystem
General evaluationGeneral evaluation John Ranson score (1974):5 (on admission) +6 (48hr)John Ranson score (1974):5 (on admission) +6 (48hr) Imrie score:8 (WBC,Ca,sugar,PO2,LF) Imrie score:8 (WBC,Ca,sugar,PO2,LF) APACHE II score (1985):12+ageAPACHE II score (1985):12+age ++ Chronic health+coma Chronic health+coma
Atlanta classification system(1992)Atlanta classification system(1992) Local evaluation Local evaluation
Beger’ criteria (1985) Beger’ criteria (1985) Balthazar CT classification system (1990):I, II, III GRADBalthazar CT classification system (1990):I, II, III GRADEE
MODS evaluationMODS evaluation Marshall MODS score system(1995):6 systems/organs inMarshall MODS score system(1995):6 systems/organs involved volved
Clinical manifestation of SAPClinical manifestation of SAP
Abdominal sign: obvious tenderness, rebound tendeAbdominal sign: obvious tenderness, rebound tenderness, muscular regard, distension, lose of bowl sourness, muscular regard, distension, lose of bowl soundnd
Mass in abdomen, GreyMass in abdomen, Grey -- Turner, CullenTurner, Cullen MODSMODS Irreversible shockIrreversible shock CT: swellingCT: swelling ,, uneven density, invade to outside of uneven density, invade to outside of
pancreas(Balthazar CTpancreas(Balthazar CT>>II)II) APACHE valueAPACHE value>>88
MODSMODS
Cardiac functionCardiac function :: quick pulsequick pulse 、、 shockshock Pulmonary function Pulmonary function :: PaO2<60mmHgPaO2<60mmHg ,, ARARDSDS Liver functionLiver function :: jaundicejaundice , , elevated ALTelevated ALT Renal functionRenal function :: elevated BUN and Creatinielevated BUN and Creatininene Digestive functionDigestive function :: GI bleedingGI bleeding Endocrinal function Endocrinal function :: glucose>11.1mmol/Lglucose>11.1mmol/L Coagulation systemCoagulation system :: DICDIC Nerve systemNerve system :: unclear consciousnessunclear consciousness 、、 papancreatic brain disease ncreatic brain disease
Stage of SAPStage of SAP
Acute response stage : within 2 weeks complicated with shock,ARDS,renal failure
Systemic infection stage : 2 weeks to 2 months Bacteria or fungus infection
Post-infection stage : after 2 3 months Abscess, fistula,
TREATMENTREATMENTT
I.I. Non-operative Non-operative therapytherapy
Acute Response StageAcute Response Stage
ICU ICU :: to prevent MODSto prevent MODS fasting the patient, fasting the patient, nasogastric suctionnasogastric suction Minimizing pancreatic secretionMinimizing pancreatic secretion
antacidsantacids 5-FU5-FU somatostatin analoguessomatostatin analogues antiproteaseantiprotease
Fluid replacementFluid replacement and Nutritional support and Nutritional support maintenance of adequate hydrationmaintenance of adequate hydration TPNTPN ,, glucose ,lipid, amino acid, proteinglucose ,lipid, amino acid, protein
AnalgesiaAnalgesia AntibioticsAntibiotics Traditional Chinese MedicineTraditional Chinese Medicine Abdominal lavageAbdominal lavage
II. OperationII. Operation
Indication of OperationIndication of Operation
Biliary obstructionBiliary obstruction Secondary pancreatic infectionSecondary pancreatic infection Shock cannot be reversed,Shock cannot be reversed, multiple ogan deterioratemultiple ogan deteriorate Undetermined diagnosis, need Undetermined diagnosis, need
to laparotomyto laparotomy
Principle for treatment of Principle for treatment of pancreatitispancreatitis
MAPMAP SAPSAP
BiliaryBiliary Non-biliaryNon-biliary
ObstuctiveObstuctive Non-obstructiveNon-obstructive InfectionInfection No No infectioninfection
Conservative Conservative therapytherapy
Urgent operationUrgent operationOr ERCPOr ERCP Conservative Conservative
therapytherapyElective operationElective operation
Elective operationElective operation
Conservative Conservative therapytherapy
Chronic pancreatitisChronic pancreatitis
Recurrent upper abdominal painRecurrent upper abdominal pain
With dysfunction of endocrine and With dysfunction of endocrine and
exocrine of pancreasexocrine of pancreas
Clinical manifestitionClinical manifestition Four main symptomsFour main symptoms
Abdominal painAbdominal pain
Body weight lossBody weight loss
DiabetesDiabetes
Lipid diarrheaLipid diarrhea
Therapy of chronic Therapy of chronic pancreatitispancreatitis
Relieve painRelieve pain
Drainage of the pancreatic juiceDrainage of the pancreatic juice
Prevent acute attackPrevent acute attack
Ameliorate the nutritionAmeliorate the nutrition
Improve pancreatic functionImprove pancreatic function
Non-operation or operationNon-operation or operation
Pancreatic Cyst Pancreatic Cyst Pancreatic pseudocystPancreatic pseudocyst Congenital pancreatic cystCongenital pancreatic cyst Retention pancreatic cystRetention pancreatic cyst Neoplastic pancreatic cystNeoplastic pancreatic cyst
Pancreatic cystadenomaPancreatic cystadenoma Pancreatic cystadenocarcinomaPancreatic cystadenocarcinoma
Pancreatic pseudocystPancreatic pseudocyst Indication for operationIndication for operation
Associated with ongoing painAssociated with ongoing pain More than 6 cm in diameter which persist for 6 More than 6 cm in diameter which persist for 6
weeks weeks Cyst with haemorrhage and sepsisCyst with haemorrhage and sepsis
MethodsMethods Percutaneous drainagePercutaneous drainage Operative drainageOperative drainage Cystgastrostomy, cystjejunostomyCystgastrostomy, cystjejunostomy Resection of pancreatic body and tailResection of pancreatic body and tail
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