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Transcystic common bile duct exploration in the management of patients with choledocholithiasis.

Common bile duct stones are found in approximately 16% of patients undergoing laparoscopic cholecystectomy. If the diagnosis of choledocholithiasis is made at the preoperative workup, it is common practice to refer the patient for endoscopic retrograde cholangiography and endoscopic sphincterotomy. However, if the diagnosis is established during intraoperative cholangiography, the surgeon is confronted with a therapeutic dilemma-that is, the choice between laparoscopic common bile duct exploration, conversion to open surgery, or postoperative endoscopic sphincterotomy. We have opted to treat patients with choledocholithiasis in only one session during the laparoscopic cholecystectomy; we use the transcystic common bile duct exploration technique employing the choledochoscope. We report our early experience in terms of success of stone removal, operative time, morbidity and mortality, and length of hospital stay. From 1992 to 2002, we performed 350 laparoscopic cholecystectomies. Selective cholangiography was used in 105 patients (30%); 40 of them were found to have common bile duct stones, for an incidence of 11.4%. Among this group, we performed laparoscopic transcystic common bile duct exploration in all but six patients. Our success rate for stone removal was 94.1% (32 of 34 patients), with only two failures related to multiple stones and impaction at the ampulla, for a conversion rate of 5.8%. The mean operative time was 120+/-40 minutes. The morbidity rate was 8.8%, and there were no deaths. Length of hospital stay was 24 to 48 hours. Mean recovery time was 7 days, and time to return to work was 15+/-3 days. We concluded that most of the patients with common bile duct stones found during laparoscopic cholecystectomy could be treated successfully by means of the transcystic technique with choledochoscopy, with no increase in morbidity or mortality and a shortened hospital stay and recovery time, similar to patients who undergo only laparoscopic cholecystectomy. On the basis of our results, we recommend that this method become the primary strategy in the great majority of patients with common bile duct stones found during intraoperative cholangiography.

Adolescent↗

Magnetic resonance cholangiopancreatography accurately predicts the presence or absence of choledocholithiasis.

Accurate common bile duct (CBD) imaging in patients with biliary calculi is an important determinant of specific therapy. Noninvasive methods to evaluate calculi in the CBD have limited accuracy and rely mainly on ultrasonography and computed tomography. Magnetic resonance cholangiopancreatography (MRCP) is a new noninvasive modality available to evaluate the biliary system. This study was undertaken to assess the accuracy of MRCP in predicting the presence or absence of CBD stones in patients at increased risk for choledocholithiasis. The medical records of 48 patients with a final diagnosis of biliary calculous disease undergoing MRCP between November 1995 and April 1997 were retrospectively reviewed. Three groups were identified: choledocholithiasis (n = 19), gallstone pancreatitis (n 5 11), and uncomplicated cholelithiasis (n = 18). In all patients the presence or absence of CBD calculi, as determined by MRCP, was correlated with the final diagnosis obtained from endoscopic retrograde cholangiopancreatography (ERCP) (n = 19), intraoperative cholangiography (n = 6), CBD exploration (n = 13), or clinical follow-up (n = 10). Sensitivity, specificity, and accuracy of MRCP were determined. The major clinical indications for MRCP in the 48 patients ware abnormal liver function tests followed by hyperamylasemia. Twenty patients were diagnosed with CBD stones and 28 were not. MRCP correctly predicted the presence of CBD stones in 19 of 20 patients and failed to detect CBD stones in one patient with gallstone pancreatitis. MRCP incorrectly predicted the presence of CBD stones in 3 of 28 patients ultimately found to have gallstones and no CBD stones. MRCP correctly predicted the absence of CBD stones in the other 25 patients including 10 patients with gallstone pancreatitis. Overall, MRCP had a sensitivity of 95%, a specificity of 89%, and an accuracy of 92%. MRCP is an accurate, noninvasive test for evaluating the CBD duct for the presence or absence of calculi in patients suspected of having CBD stones. Our data support the use of MRCP in the preoperative evaluation of these patients as findings may influence therapeutic decisions.

Adult↗

Recurrence of biliary symptoms after endoscopic sphincterotomy for choledocholithiasis in patients with gall bladder stones.

BACKGROUND: There are a few reports regarding the long-term results of endoscopic sphincterotomy (EST). However, little data is available on the recurrence of biliary symptoms after EST for choledocholithiasis, in patients with gall bladder stones. METHODS: All patients had gall bladder and common bile duct stones (n = 60; age 32-84 years, median age 55 years), and had received an EST. One group of these patients had a laparoscopic or open cholecystectomy (n = 39; group A), while the other group did not (n = 21; group B). The follow-up- period ranged from 5 to 54 months (average 22 months). RESULTS: Complications included the recurrence of common bile duct stones, recurrent acute cholecystitis, postoperative bile leakage and papillary stenosis. Nine patients (15%) had a recurrence of biliary symptoms. Two significant prognostic factors for the recurrence of biliary symptoms were identified by multivariate analysis; namely an intact gall bladder and a dilated common bile duct. The recurrence rate of biliary symptoms in group B was 20.4%, while in group A it was 10.3% (P< 0.01). Patients with a larger than average common bile duct diameter (mean diameter 14 mm) were more prone to the recurrence of symptoms than those with a smaller common bile duct diameter (mean diameter 10 mm, P< 0.016). The hospital stay period was 8.9 +/- 3.1 days in group A and 2.8 +/- 1.9 days in group B (P< 0.01). CONCLUSIONS: Biliary symptom recurrence occurred in a considerable proportion of patients after EST for the treatment of choledocholithiasis, in patients with gall bladder stones. The prognostic factors associated with the recurrence of biliary symptoms were an intact gall bladder and a dilated common bile duct diameter. Regardless of their short stay in hospital, non-cholecystectomy patients had a higher rate of recurrent biliary symptoms than cholecystectomy patients.

Adult↗

Choledocholithiasis in an infant of extremely low birthweight.

A five-month-old infant of extremely low birthweight with choledocholithiasis is reported. A baby girl was delivered at 26 weeks gestation as a second twin, weighing 834 g. At 30 days of age, gallbladder stones were found by routine ultrasonography. She had vomiting at 157 days of age. Ultrasonography revealed calculi in the gallbladder and a dilated common bile duct. She was conservatively treated with scopolamine, antibiotics and dehydrocholic and ursodeoxycholic acids, and the calculi had disappeared by 189 days of age. Although conservative treatment succeeded in this patient, further cases should be analysed to establish how to manage choledocholithiasis in such small infants.

Dehydrocholic Acid↗

Biliary symptoms and complications more than 8 years after endoscopic sphincterotomy for choledocholithiasis.

BACKGROUND & AIMS: Although long-term results of endoscopic sphincterotomy (ES) have been poorly estimated, extended indications of ES have been proposed, especially in young patients. The aim of this study was to assess late biliary complications of ES. METHODS: Between 1981 and 1986, 169 patients younger than age 70 (55+/-11.8 years; range, 24-70 years; male-female sex ration, 0.55) underwent ES for choledocholithiasis. One hundred fifteen patients (68%) underwent cholecystectomy. Long-term data were obtained retrospectively from the patients and general practitioners. RESULTS: Information was obtained for 156 patients, 2 of whom died within 1 month (one ES-related death). The mean follow-up for 154 patients was 9.6+/-3.3 years (range 8-13 years); 138 patients had no biliary symptoms. During follow-up, 16 patients experienced biliary symptoms; 2 of these patients underwent elective cholecystectomy, 3 had malignant strictures, 1 had a complicated cirrhosis, and 1 had a benign stricture related to the previous cholecystectomy. Nine patients developed potentially ES-related biliary symptoms. Second endoscopic exploration showed papillary stenosis in 3 patients (with stones in 2 patients) and recurrent bile duct stones in 3 others. Two patients had sine materia cholangitis, and 1 patient developed liver abscesses. CONCLUSIONS: Long-term ES-related complications seem to be rare, ES could reasonably be included in management strategies of choledocholithiasis, even in young patients.

Adult↗

Predictors of post-ERCP complications in patients with suspected choledocholithiasis.

BACKGROUND AND STUDY AIMS: Determinants of complications after endoscopic retrograde cholangiopancreatography (ERCP) have not yet been completely characterized. PATIENTS AND METHODS: Data were collected from an endoscopic database. Univariate analysis and multivariate logistic regression analysis were used to generate the best model of independent predictors of post-ERCP pancreatitis. RESULTS: The database included 1239 ERCP examinations carried out to investigate suspected choledocholithiasis over a five-year period. From these, 45 patients who developed post-ERCP complications were compared to a random sample of 486 patients who had undergone an uncomplicated ERCP for suspected choledocholithiasis. Univariate analysis demonstrated significant differences between the two patient groups for the following factors: age, using a cut-off point of 59 years (27% vs. 51%, P = 0.002), pancreatic channel opacification (73% vs. 58%, P = 0.05), and absence of common bile duct stones (41% vs. 24%, P = 0.03). Using multivariate logistic regression, the best model for predicting post-ERCP pancreatitis in patients undergoing sphincterotomy included age under 59 years (P = 0.04), and absence of a common bile duct stone (P = 0.004). The model yielded probabilities of developing post-sphincterotomy pancreatitis that ranged from 2.8% if no predictor was present, to 27% when both predictors were present. Among patients in whom a sphincterotomy was not performed, the only significant independent predictor found was pancreatic channel opacification (P = 0.05). CONCLUSION: Age under 59 years, pancreatic channel opacification, and an absence of common bile duct stones at ERCP are all independent predictors of post-ERCP pancreatitis.

Adolescent↗

Clinical utility of intraductal US for evaluation of choledocholithiasis.

BACKGROUND: Intraductal US can improve the diagnostic accuracy of cholangiography performed under C-arm fluoroscopy in patients with suspected choledocholithiasis. This study aimed to determine the clinical utility of intraductal US for patient management. METHODS: Patients with suspected choledocholithiasis undergoing ERCP with a C-arm fluoroscope at two tertiary academic medical centers were enrolled. After initial cholangiography, findings and decisions concerning the need for further interventions were recorded. Intraductal US (20 MHz) was then selectively performed in patients with equivocal cholangiography or those without cholangiographic evidence of bile duct stones. Intraductal US was also performed after endoscopic sphincterotomy and stone extraction to confirm bile duct clearance. RESULTS: Fifty-two patients (28 men, 24 women) were enrolled and intraductal US was selectively performed in 35 (64%). Of the 21 patients with normal cholangiography, 8 (38%) had stones or sludge by intraductal US. Endoscopic sphincterotomy was performed as a direct result of intraductal US in these 8 and the findings were confirmed in 7. In the 14 patients in whom cholangiography demonstrated small (<5 mm) or round filling defects, intraductal US concurred in 9 and found air bubble/no stone in 5. Sphincterotomy was avoided in these 5 patients. Overall, intraductal US led to a change in clinical management in 13 of 35 patients (37%) in whom it was performed. CONCLUSIONS: Selective use of intraductal US affects the clinical management of a large proportion of patients who undergo C-arm fluoroscopy-guided ERCP for suspected bile duct stones.

Adult↗

A comparative study of postendoscopic sphincterotomy complications with various types of electrosurgical current in patients with choledocholithiasis.

BACKGROUND: Whether the type of electrosurgical current used for endoscopic sphincterotomy influences the frequency of postsphincterotomy complications is unknown. METHODS: One hundred eighty-six patients with choledocholithiasis were prospectively randomized to undergo endoscopic sphincterotomy with pure cutting current (n = 62, Group A), blended current (n = 62, Group B), or pure cutting initially followed by blended current (n = 62, Group C). Serum concentrations of amylase and lipase were evaluated in all patients 12 and 24 hours after sphincterotomy. Clinical pancreatitis was classified as mild, moderate, or severe. Postsphincterotomy bleeding was defined as a decrease in hematocrit of greater than 5%. RESULTS: Serum concentrations of amylase and lipase were greater in Groups B and C at 12 and 24 hours after the procedure, as compared with Group A. Clinical mild pancreatitis occurred in 2 patients in Group A (3.2%), 8 in Group B (12.9%), and in 8 in Group C (12.9%). The differences were statistically significant for Group A compared with either Group B or Group C (p = 0.048). Postsphincterotomy bleeding occurred in 3 patients (1.6%), one in each group. CONCLUSION: The use of pure cutting electrosurgical current during endoscopic sphincterotomy in patients with choledocholithiasis is associated with a lesser degree of pancreatic enzyme elevation and lower frequency of pancreatitis, whereas bleeding is not increased compared with blended current. Changing from pure cutting to blended current after the first 3 to 5 mm of the incision is associated with an increased rate of complications compared to the use of pure cutting current for the entire sphincterotomy.

Adult↗

Eight years' experience with the use of a transcystic common bile duct duodenal double-lumen catheter for the treatment of choledocholithiasis.

BACKGROUND: We have previously reported an alternative technique for treatment of choledocholithiasis found at laparoscopic cholecystectomy (LC) that can be considered with selected patients. This study was undertaken to update our experience with this alternative technique, which makes serial postoperative cholangiograms possible and facilitates stone extraction by assuring access to the common bile duct so that a guidewire-assisted endoscopic retrograde sphincterotomy can be performed. METHODS: In the period between 1989 and 1997, prospective data were maintained on 1043 consecutive patients who underwent LC by a single surgeon. Fifty-two patients with abnormal cholangiograms were managed with a percutaneously placed double-lumen catheter threaded through the cystic duct and advanced into the duodenum. RESULTS: Five attempts failed, 3 because of failure to pass the catheter and 2 because of catheter dislodgement. Of the 47 remaining patients, 2 underwent intraoperative endoscopic sphincterotomies using this alternative technique and 45 had cholangiograms repeated at 10 to 14 days. Twenty-three had negative cholangiograms, thus avoiding further procedures or unnecessary sphincterotomies because of spontaneous stone passage or initial false-positive cholangiograms. The remaining 22 had positive cholangiograms. Eighteen ultimately underwent sphincterotomies with stone extraction using a guidewire placed through the catheter. The other 4 had negative cholangiograms after serial follow-up, presumably because of spontaneous stone passage. CONCLUSIONS: The use of a transcystic double-lumen catheter passed through the ampulla of Vater is an effective and safe alternative for the management of choledocholithiasis discovered during LC.

Adolescent↗

Laparoscopic antegrade sphincterotomy. A new technique for the management of complex choledocholithiasis.

OBJECTIVE: Laparoscopic antegrade sphincterotomy represents a new technique that expands the ability of the surgeon to manage complex choledocholithiasis at the time of laparoscopic cholecystectomy. The authors describe their experience with six patients with cholelithiasis and complex common bile duct stone disease who underwent successful laparoscopic cholecystectomy and antegrade sphincterotomies. SUMMARY BACKGROUND DATA: Patients with complex choledocholithiasis have represented a technical challenge to the minimally invasive surgeon. Recently, a laparoscopic technique of antegrade biliary sphincterotomy has been reported by DePaulo in Brazil. This technique has been successful at clearing the common bile duct at the time of laparoscopic cholecystectomy. METHODS: Laparoscopic antegrade sphincterotomy was performed in six patients with multiple common bile duct stones. A standard endoscopic sphincterotome was introduced antegrade via the cystic duct or common bile duct and guided through the ampulla. A side-viewing duodenoscope was used to confirm proper positioning of the sphincterotome. Then a blended current was applied until the sphincterotomy was complete. RESULTS: There was no mortality or morbidity associated with laparoscopic antegrade sphincterotomy. The mean additional operative time to complete laparoscopic antegrade sphincterotomy was 19 minutes. Three of the six patients were noted to have transient, asymptomatic elevation in serum amylase levels immediately after surgery (average 252 international units/L; normal < 115), which normalized within 72 hours. The mean postoperative hospital stay was 2.9 days. At a mean follow-up of 5 months (range 1 to 10 months), five patients remain asymptomatic. One individual with acquired immune deficiency syndrome had persistent symptoms, and a diagnosis of cytomegalovirus pancreatitis was eventually made. CONCLUSIONS: Laparoscopic antegrade sphincterotomy appears to be a safe and effective technique for the management of complex biliary tract disease.

Adult↗

Hepatobiliary imaging in choledocholithiasis. A comparison with ultrasound.

A retrospective analysis of preoperative biliary imaging and ultrasound in 22 patients with surgically proven choledocholithiasis was performed. Ultrasound detected dilated ducts greater than 7 mm in 11 of 14 jaundiced patients (79%). Hepatobiliary imaging was able to detect either absent or delayed bowel visualization or prominent bile ducts in 13 of 14 jaundiced patients (93%). Of eight nonjaundiced patients, ultrasound showed dilated ducts in three (38%). Hepatobiliary imaging showed either absent bowel activity or prominent ducts in six of eight nonjaundiced patients (75%). Twenty of 22 patients had stones in the gallbladder that were detected by ultrasound, although only one patient had actual visualization of the common duct stone. Hepatobiliary imaging may show abnormalities in choledocholithiasis with normal ultrasound studies.

Adult↗

Endoscopic management of choledocholithiasis.

The first description of endoscopic sphincterotomy 25 years ago spearheaded the widespread use of endoscopic treatment of choledocholithiasis. It is largely accepted that common bile duct stone removal should be endoscopic rather than surgical in patients who have undergone previous cholecystectomy, in the high-risk surgical patient when the gallbladder is still present, in patients with severe acute cholangitis, in selected patients with acute biliary pancreatitis, and in special circumstances for the average risk surgical patient with suspected choledocholithiasis before laparoscopic cholecystectomy. We have summarized a number of endoscopic techniques that are used in the management of bile duct stone disease.

Catheterization↗

Sequential endoscopic/laparoscopic management of sickle hemoglobinopathy-associated cholelithiasis and suspected choledocholithiasis.

We reviewed the medical records of 17 patients with sickle hemoglobinopathy-associated cholelithiasis who were candidates for laparoscopic cholecystectomy (LC) between 1991 and 1994. Eight patients with suspected choledocholithiasis (CDL) were identified, all of whom had preoperative endoscopic retrograde cholangiopancreatography (ERCP), which revealed CDL in 3 patients (18%), all of whom had endoscopic ductal clearance. Choledocholithiasis was suspected because of hyperbilirubinemia or serum liver enzyme abnormalities. Incremental hyperbilirubinemia exceeding "baseline" values by > 5 mg/dL was the best predictor of CDL. Subsequent LC was successful with discharge within 2 days of LC in all but one patient, who was converted to open cholecystectomy. This small series suggests that in sickle hemoglobinopathy patients with cholelithiasis (1) CDL is relatively common among patients with an increase above baseline hyperbilirubinemia, (2) bile duct dilatation, alkaline phosphatase, and serum aminotransferase levels are poor predictors of CDL, and (3) sequential endoscopic/laparoscopic management of cholelithiasis and suspected CDL is successful.

Adult↗

Magnetic resonance cholangiopancreatography versus endoscopic retrograde cholangiopancreatography in the diagnosis of choledocholithiasis.

OBJECTIVE: Endoscopic retrograde cholangiopancreatography (ERCP) has become established as the gold standard in imaging of the biliary tree. Recently, magnetic resonance cholangiopancreatography (MRCP) has been introduced as a new, non-invasive imaging modality for the detection of bile-duct stones and other pathology related to the biliary tract and pancreas. The aim of this study was to determine how MRCP compared with ERCP in the diagnosis of choledocholithiasis. DESIGN AND METHODS: A prospective study of 133 patients referred for either ERCP or MRCP was carried out to compare the results of both these methods in determining the presence of choledocholithiasis. RESULTS: 18 patients were excluded from the analysis: ERCP was unsuccessful in eight of these patients and MRCP was not possible in the remaining 10 patients. There were six false negative results with MRCP; in five of these the calculi were less than 5 mm in diameter. MRCP showed a sensitivity of 84%, specificity of 96%, positive predictive value of 91%, negative predictive value of 93% and diagnostic accuracy of 92% when compared to ERCP as the gold standard. CONCLUSIONS: MRCP has high sensitivity and high specificity for stones greater than 5 mm in diameter and should be performed in preference to ERCP as the first-line investigation in patients with gallstones and abnormal liver function tests in the elective setting. Adoption of this guideline at our institution would result in a 9% reduction in the number of ERCPs performed.

Adolescent↗

A prospective study of common bile duct calculi in patients undergoing laparoscopic cholecystectomy: natural history of choledocholithiasis revisited.

OBJECTIVE: To define the incidence of problematic common bile duct calculi in patients undergoing laparoscopic cholecystectomy. SUMMARY BACKGROUND DATA: In patients selected for laparoscopic cholecystectomy, the true incidence of potentially problematic common bile duct calculi and their natural history has not been determined. We evaluated the incidence and early natural history of common bile duct calculi in all patients undergoing laparoscopic cholecystectomy with intraoperative and delayed postoperative cholangiography. METHODS: Operative cholangiography was attempted in all patients. In those patients in whom a filling defect was noted in the bile duct, the fine bore cholangiogram catheter was left securely clipped in the cystic duct for repeated cholangiography at 48 hours and at approximately 6 weeks postoperatively. RESULTS: Operative cholangiography was attempted in 997 consecutive patients and was accomplished in 962 patients (96%). Forty-six patients (4.6%) had at least one filling defect. Twelve of these had a normal cholangiogram at 48 hours (26% possible false-positive operative cholangiogram) and a further 12 at 6 weeks (26% spontaneous passage of calculi). Spontaneous passage was not determined by either the number or size of calculi or by the diameter of the bile duct. Only 22 patients (2.2% of total population) had persistent common bile duct calculi at 6 weeks after laparoscopic cholecystectomy and retrieved by endoscopic retrograde cholangiopancreatography. CONCLUSIONS: Choledocholithiasis occurs in 3.4% of patients undergoing laparoscopic cholecystectomy but more than one third of these pass the calculi spontaneously within 6 weeks of operation and may be spared endoscopic retrograde cholangiopancreatography. Treatment decisions based on assessment by operative cholangiography alone would result in unnecessary interventions in 50% of patients who had either false positive studies or subsequently passed the calculi. These data support a short-term expectant approach in the management of clinically silent choledocholithiasis in patients selected for LC.

Adult↗

Biliary ascariasis complicating endoscopic sphincterotomy for choledocholithiasis in India.

Endoscopic sphincterotomy is the treatment of choice for patients with choledocholithiasis. Biliary ascariasis has been reported from many parts of the world but is common in Kashmir, India. We report five cases of biliary ascariasis of which four were the result of post-endoscopic sphincterotomy for choledocholithiasis. Therefore, biliary ascariasis is not an uncommon complication of endoscopic sphincterotomy.

Ascariasis↗

Laparoscopic cholecystectomy and management of choledocholithiasis.

The advent of laparoscopic cholecystectomy (LC) has led to a reassessment of the approach to the management of choledocholithiasis. In a consecutive series of 418 patients undergoing LC, common bile duct (CBD) stones were suspected pre-operatively in 130 patients. Forty-five of the patients (35%) were found to have CBD stones on either pre-operative endoscopic retrograde cholangiopancreatography (ERCP; 20) or on operative cholangiography (OC; 25). Common bile duct stones were detected on OC in a further 12 of 288 patients (4.2%) without pre-operative suspicion of choledocholithiasis. Of the total of 57 patients with CBD stones, the duct was cleared by pre-operative ERCP and endoscopic sphincterotomy (ES) in 15 patients. In 13 patients, two of whom had had a pre-operative ERCP and ES, duct clearance was achieved by relaxing the sphincter pharmacologically and flushing the CBD via the OC catheter. One patient had an on-table ERCP and ES with successful stone extraction during LC. Eleven patients were converted to open operation with bile duct exploration. Sixteen patients had a postoperative ERCP. In five patients the CBD stones had passed spontaneously in the time between LC and ERCP. Ten patients required ES to clear the duct of stones. One patient had a failed ERCP and is still awaiting a repeat. The remaining patient was scheduled, but did not return for follow-up ERCP. In summary, pre-operative ERCP was indicated in less than 10% of patients in this series.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗

Liver failure in erythropoietic protoporphyria associated with choledocholithiasis and severe post-transplantation polyneuropathy.

In a 58-year-old woman with erythropoietic protoporphyria, asymptomatic liver involvement had been diagnosed 12 years earlier. For more than 20 years the patient had been known to have symptomatic gallstones. A mild polyneuropathy of the lower limbs had been diagnosed several years ago. In December 1992, she presented with colicky upper abdominal pain, dyspepsia and mild jaundice. Diagnosis of beginning cholestasis in erythrohepatic protoporphyria and coincidental choledocholithiasis was made. A causal relation between choledocholithiasis and deterioration of liver function was assumed. Endoscopic extraction of the bile duct stones, however, could not prevent the development of terminal hepatic failure. Biochemically, an excessive protoporphyrinemia and coproporphyrinuria were found. Five weeks after presentation, the patient underwent orthotopic liver transplantation. Immediately after the operation she developed a severe axonal neuropathy with cranial nerve involvement. One year after transplantation, her general condition has markedly improved, but there is still a disabling polyneuropathy. Recently, there were single reports on patients with very similar neurological symptoms following liver transplantation in erythropoietic protoporphyria. This case supports the assumption of a distinct protoporphyrin-induced neural damage in severe hepatic failure.

Alanine Transaminase↗