51
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Klueppelberg U, Baumgaertel H, Schusdziarra V, Swobodnik W. Dissolution of bile duct stones by a hydrophilized glyceromonooctanoin-bile-acid-EDTA emulsion. KLINISCHE WOCHENSCHRIFT 1991; 69:76-82. [PMID: 1902880 DOI: 10.1007/bf01666820] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The clinical suitability of conventional glyceromonooctanoin (GMOC) and ethylenediaminetetraacetic acid (EDTA) containing solvents for the dissolution of common bile duct stones is questionable. To improve the solvent-stone contact and the miscibility with bile, GMOC was hydrophilized by the addition of polyethyleneglycol-caprylglyceride, polyethyleneglycol-sorbitan-etheroleyl-ester, and polyethyleneglycol-sorbitanlauryl-ester (PEG-GMOC). This product was mixed with a bile acid-EDTA (BA-EDTA) solution in a ratio of 1:2 (v/v) for cholesterol solubilizing and calcium complexing capacities. To determine clinical efficiency, the new solvent was infused via a nasobiliary tube in 16 patients with endoscopically nonextractable common bile duct stones and compared with a group of 16 patients treated with an alternating GMOC/BA-EDTA regimen. Continuous perfusion with PEG-GMOC-BA-EDTA led to a total (12 patients) or partial (3 patients) disappearance of the stones within 2-15 days. Similarly, alternating GMOC and BA-EDTA treatment dissolved the stones in 12 patients. The average volume of PEG-GMOC-BA-EDTA infused contained only 27% of the GMOC applied during the alternating therapeutic regime. This reduction of the GMOC dose was associated with a significant reduction of adverse effects such as emesis, diarrhea and biliary pain. We concluded that GMOC is equally efficient in the new hydrophilized form but it is clearly superior as far as side effects are concerned. In all, this supports its clinical suitability for the dissolution treatment of common bile duct stones.
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Affiliation(s)
- U Klueppelberg
- Abteilung Innere Medizin II, Klinikum Grosshadern, München
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52
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Abstract
The treatment of choice for most retained bile duct stones is by nonoperative means. If a T-tube is in place, percutaneous techniques via the T-tract are indicated. Percutaneous access via puncture of a Roux-en-Y loop is also practical. In the absence of a T-tube, retrograde endoscopic techniques should be used. Both techniques are very effective and safe. Stones in the intrahepatic and extrahepatic ducts also can be treated nonoperatively. Endoscopic sphincterotomy has a role in the treatment of selected patients with gallstone pancreatitis, acute cholangitis, and choledocholithiasis with in situ gallbladders. In difficult cases, endoscopic and percutaneous techniques are employed in combination.
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53
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Fache JS. Transcholecystic Intervention. Radiol Clin North Am 1990. [DOI: 10.1016/s0033-8389(22)02657-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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54
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Affiliation(s)
- V A Saraswat
- Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi
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55
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Nelson PE, Moyer TP, Thistle JL. Gallstone dissolution in vitro using methyl tert-butyl ether: radiologic selection criteria. Gastroenterology 1990; 98:1280-3. [PMID: 2323520 DOI: 10.1016/s0016-5085(12)90345-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Methyl tert-butyl ether dissolves cholesterol gallbladder stones when infused through a percutaneous transhepatic catheter. All gallstones, however, contain noncholesterol components that are insoluble in lipid solvents and may be too large to be aspirated through a small catheter or flushed from the gallbladder. To identify which patients have gallstones that are most likely to completely dissolve, we evaluated the ability of methyl tert-butyl ether to dissolve gallstones in vitro based on their radiodensity and size. Radiodensity influenced completeness of dissolution (p less than 0.01), but size did not (p greater than 0.5). Twenty-six of 32 radiolucent stones (81%) dissolved completely, leaving residual debris less than 2 mm in diameter. Only 2 of 32 radiopaque stones (6%) dissolved completely. Insoluble radiolucent and radiopaque stones less than 0.5 cm in diameter were black pigment stones. Four radiolucent and 19 of 22 radiopaque stones (86%) greater than 0.5 cm in diameter underwent partial dissolution leaving residual debris 2 mm or larger. By infrared spectroscopy, calcium bilirubinate and calcium carbonate were identified as the principal components of this methyl tert-butyl ether-insoluble debris. Until methods for dissolving or fragmenting noncholesterol components of gallstones are available, only patients with radiolucent gallstones should be treated with methyl tert-butyl ether.
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Affiliation(s)
- P E Nelson
- Department of Gastroenterology, Mayo Clinic, Rochester, Minnesota
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56
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Peel AL. The challenge of the bile duct in 1990. Ann R Coll Surg Engl 1990; 72:165-7. [PMID: 2192674 PMCID: PMC2499177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Affiliation(s)
- A L Peel
- North Tees District General Hospital, Hardwick, Stockton-on-Tees, Cleveland
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57
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Saraya A, Rai RR, Tandon RK. Experience with MTBE as a solvent for common bile duct stones in patients with T-tube in situ. J Gastroenterol Hepatol 1990; 5:130-4. [PMID: 2103393 DOI: 10.1111/j.1440-1746.1990.tb01817.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The postcholecystectomy patients who have a T-tube in situ offer a convenient route through the T-tube to perfuse solvents into the common bile duct (CBD) for dissolving any retained common duct stones. If successful, this approach is much simpler and cheaper than the usual therapeutic modality used for CBD stones, namely, endoscopic papillotomy. Thus a most potent cholesterol solvent, methyl t-butyl ether (MTBE) was perfused through the T-tube into the CBD of five patients with retained common duct stones. The dose of the solvent varied, 1.5-5 mL 0.5-1 h, given 7-13 times amounting to a total of 20-66 mL. Instillation of MTBE in the T-tube was alternated with aspiration of the bile through T-tube. Only one patient showed complete disappearance of the bile duct stone following MTBE perfusion. Others did not show any appreciable response and had to be treated by endoscopic papillotomy (three patients) or mono-octanoin perfusion (one patient). Side-effects of MTBE perfusion included pain in the abdomen in all patients, somnolence and nausea/vertigo in two patients and the smell of ether on the breath in two patients. It is concluded that MTBE is not an effective agent for dissolution of retained CBD stones in patients with T-tube in situ.
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Affiliation(s)
- A Saraya
- Department of Gastroenterology, All India Institute of Medical Sciences, New Delhi
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58
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Neoptolemos JP, Hall C, O'Connor HJ, Murray WR, Carr-Locke DL. Methyl-tert-butyl-ether for treating bile duct stones: the British experience. Br J Surg 1990; 77:32-5. [PMID: 2302510 DOI: 10.1002/bjs.1800770111] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Methyl-tert-butyl-ether (MTBE), infused via a nasobiliary catheter, was used to treat 33 patients with bile duct stones in nine units around Britain. MTBE contributed to success in 12 (36 per cent) cases: seven passed stones spontaneously during MTBE infusion and five had partial stone dissolution allowing subsequent endoscopic extraction. MTBE was non-contributory in 21 (64 per cent) cases: four passed stones after MTBE was stopped, six were treated by subsequent endoscopic techniques without evidence of dissolution, seven underwent surgery, and four were treated conservatively (with one death). In at least ten of the 21 cases in which MTBE was non-contributory, pigment stones were present. Forty-two complications occurred in 26 (79 per cent) patients. The efficacy of MTBE for treating bile duct stones might be improved by better methods of instillation and, since success may be related to technique, the use of MTBE should be restricted to units familiar with this chemical.
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59
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Domschke W. Extracorporeal biliary lithotripsy and direct chemolitholysis-an integrated concept. GASTROENTEROLOGIA JAPONICA 1989; 24:597-604. [PMID: 2680747 DOI: 10.1007/bf02773895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- W Domschke
- Department of Medicine, University of Erlangen-Nuremberg, FR Germany
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60
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Moody FG, Amerson JR, Berci G, Bland KL, Cotton PB, Graham JB, Jones RS, Maher JW, Munson JL, Pennell TC. Lithotripsy for bile duct stones. Am J Surg 1989; 158:241-7. [PMID: 2672846 DOI: 10.1016/0002-9610(89)90257-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Fragmentation of bile duct stones by mechanical, electrohydraulic, and laser intraluminal lithotripsy has greatly facilitated the ability to remove stones that are otherwise difficult to remove by standard manipulative techniques. Even these approaches fail when stones lack access or are impacted within the biliary tree. Extracorporeal shock-wave lithotripsy (ESWL) was evaluated in the United States in a multicenter trial with 56 patients. Stone fragmentation occurred in 91 percent of patients and duct clearance in 79 percent. Adjunctive procedures were used in 54 percent. Two ESWL treatments were required for fragmentation in 28 percent. Complications were mild and relatively infrequent. Hemobilia (8 percent), gross hematuria (6 percent), and biliary sepsis (4 percent) occurred less frequently than expected. There were no deaths during the 1 to 31 days of hospitalization (mean 9 days). We conclude that ESWL is a safe and effective adjunct to the treatment of difficult-to-remove bile duct stones under the conditions observed in this trial.
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Affiliation(s)
- F G Moody
- University of Texas Health Science Center Medical School, Houston
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61
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Abstract
Endoscopic sphincterotomy was performed within 28 days after cholecystectomy in 20 patients with retained common bile duct stones, of whom 15 (75%) underwent endoscopic sphincterotomy within the first week of surgery. Stone extraction was successful in all patients and no immediate complications were noted. Early endoscopic sphincterotomy for retained common bile duct stones was safe and effective in the early postoperative period.
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Affiliation(s)
- M D Danilewitz
- Department of Medicine, University of the Witwatersrand, Parktown, South Africa
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62
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Abstract
Spurred on by the discovery of "lithogenic bile" as a precursor, there has been much attention focused on the pathophysiology and treatment of gallstones. The article reviews the progress to date regarding the epidemiology, pathophysiology, diagnosis, therapy, and recurrence/prevention of gallstones.
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Affiliation(s)
- A D Cooper
- Department of Medicine, Stanford University Medical School, California
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63
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Abstract
There are a variety of methods for dissolving gallstones in the biliary tree, which include oral therapy and direct contact dissolution. Cholesterol gallstones are most amenable to dissolution. Developments in non-operative physical methods to remove gallstones (particularly endoscopic papillotomy and extracorporeal shock-wave lithotripsy have diminished the use of chemical dissolution. However, in selected patients, there remains a place for chemical dissolution, but often in conjunction with the physical techniques.
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Affiliation(s)
- J A Summerfield
- Department of Medicine, St Mary's Hospital Medical School, London, UK
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64
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Martin DF, McGregor JC, Lambert ME, Tweedle DE. Pernasal catheter perfusion without dissolution agents following endoscopic sphincterotomy for common duct stones. Br J Surg 1989; 76:410-1. [PMID: 2720359 DOI: 10.1002/bjs.1800760434] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- D F Martin
- Department of Radiology, University Hospital of South Manchester, Withington, UK
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65
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Bickerstaff KI, Berry AR, Chapman RW, Britton J. Early postoperative endoscopic sphincterotomy for retained biliary stones. Ann R Coll Surg Engl 1988; 70:350-1. [PMID: 3207323 PMCID: PMC2498630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Endoscopic sphincterotomy was attempted on 18 patients with retained biliary stones. Endoscopy was performed within 2 weeks of the operation in 13 patients and within 3 weeks in 5 patients. A T-tube was present in 14 patients and 6 patients had multiple stones. Sphincterotomy and complete duct clearance was achieved in 17 patients (94%) and a complication (haemorrhage) occurred in one patient (6%).
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66
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Abstract
Seventy-three patients with retained stones in the common duct after biliary surgery underwent attempted endoscopic removal at a mean interval of 39 days after surgery. Endoscopic extraction was successful in 63 patients (86 per cent). Complications occurred in 14 patients (19 per cent). The most frequent complication was haemorrhage which occurred in nine patients, four of whom required surgery; two other patients required surgery for complications. The complication rate of endoscopic sphincterotomy in recently operated patients may be higher than in the non-operated patient. Less invasive methods, such as dissolution therapy or T tube track extraction, may be preferable as they are associated with less risk. Endoscopic sphincterotomy should be reserved for patients in whom these alternative techniques fail or are inappropriate.
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Affiliation(s)
- M E Lambert
- Department of Surgery, University Hospital of South Manchester, UK
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67
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Speer AG, Webb DR, Collier NA, McHutchinson JG, St John DJ, Clunie GJ. Extracorporeal shock-wave lithotripsy and the management of common bile-duct calculi. Med J Aust 1988; 148:590-5. [PMID: 3374428 DOI: 10.5694/j.1326-5377.1988.tb93819.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Endoscopic sphincterotomy is the treatment of first choice for stones that remain in the bile duct after cholecystectomy. There is a small group of patients in whom this technique is not successful; many of these patients carry a high risk for surgery because of their age or associated medical conditions. A variety of non-surgical techniques is available; however, none is well established. We have used an in-vitro model to show that human gallstones are fragmented readily by shock-wave lithotripsy. Two elderly frail patients with difficult bile-duct stones have been treated successfully by extracorporeal shock-wave lithotripsy. The bile ducts were cleared of stones and the patients suffered no adverse effects. Extracorporeal shock-wave lithotripsy is a new and promising alternative to the current non-surgical techniques for the management of bile-duct stones.
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Affiliation(s)
- A G Speer
- Royal Melbourne Hospital, Parkville, VIC
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68
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Affiliation(s)
- R M Katon
- Oregon Health Sciences University, Portland
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69
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Leung JW, Chung SC, Mok SD, Li AK. Endoscopic removal of large common bile duct stones in recurrent pyogenic cholangitis. Gastrointest Endosc 1988; 34:238-41. [PMID: 3134272 DOI: 10.1016/s0016-5107(88)71320-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
It is not uncommon to find large stones obstructing the bile duct in patients with recurrent pyogenic cholangitis. In a series of 291 patients with cholangitis, 32 patients had stones more than 2 cm in diameter. Endoscopic extraction using a combination of large baskets, 1% EDTA flushing, and manual or mechanical lithotripsy allowed the common bile duct to be cleared in 50% of patients. Lack of space in the common bile duct to open the retrieval basket because of stone impaction was the major reason for failure.
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Affiliation(s)
- J W Leung
- Department of Medicine, Prince of Wales Hospital, Chinese University of Hong Kong, Shatin, N.T
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70
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Murray WR, LaFerla G, Fullarton GM. Choledocholithiasis--in vivo stone dissolution using methyl tertiary butyl ether (MTBE). Gut 1988; 29:143-5. [PMID: 3345924 PMCID: PMC1433287 DOI: 10.1136/gut.29.2.143] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
We report a series of 10 elderly patients with large bile duct calculi refractory to standard endoscopic extraction techniques who were treated by gall stone dissolution using methyl tertiary butyl ether (MTBE) instilled through a nasobiliary catheter. In eight patients complete bile duct clearance was achieved after an average of eight hours MTBE instillation. In two patients gall stone size did not change. Both underwent operative gall stone removal and subsequent stone analysis showed low cholesterol content, which is unlikely to respond to MTBE. Apart from occasional transient nausea and drowsiness, no adverse reactions were noted. Methyl tertiary butyl ether appears to be a powerful in vivo gall stone dissolution agent which, from preliminary studies, is not associated with serious toxicity.
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Affiliation(s)
- W R Murray
- Department of Surgery, Western Infirmary, Glasgow
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71
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Tritapepe R, di Padova C, di Padova F. Non-invasive treatment for retained common bile duct stones in patients with T tube in situ: saline washout after intravenous ceruletide. Br J Surg 1988; 75:144-6. [PMID: 3349302 DOI: 10.1002/bjs.1800750218] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The combination of ceruletide-induced relaxation of the sphincter of Oddi plus flushing with saline has recently been proposed as a novel procedure for the treatment of residual common bile duct (CBD) stones. In this study we have administered intravenous ceruletide (2 ng kg-1 body weight min-1 for 1 h) plus intraductal saline (800-3000 ml, infused at a rate that kept biliary pressure below 30 cmH2O) to a group of 14 patients. The treatment induced the passage of residual stones in 11 subjects (79 per cent) with complete clearance in 7 (50 per cent). The majority of the cleared concretions (11/15) had a diameter less than 10 mm. No severe side-effects were recorded during the treatment. Four of the seven subjects who exhibited incomplete CBD clearance underwent a short cycle of mono-octanoin administration in order to reduce the size of residual radiolucent stones. This course of treatment was followed by another attempt with intravenous ceruletide and saline washout which gave a successful response in an additional three cases. These data indicate that the combination of ceruletide and flushing is a safe and inexpensive method for treatment of residual stones. The procedure is feasible for both radiolucent and radio-opaque stones and is mainly eligible for small concretions of diameter less than 10 mm. Larger (greater than 10 mm) radiolucent stones may be partially dissolved with mono-octanoin and then eliminated by the washout technique.
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Affiliation(s)
- R Tritapepe
- 3rd Surgical Clinic, University of Milan School of Medicine, Italy
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72
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Affiliation(s)
- I A Bouchier
- University of Edinburgh, Department of Medicine, Royal Infirmary
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73
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Sadek S, Cuschieri A. Efficacy of ceruletide controlled saline infusion for retained ductal stones after cholecystectomy and exploration of the common bile duct. J Hepatol 1987; 5:288-91. [PMID: 3429836 DOI: 10.1016/s0168-8278(87)80034-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The synthetic peptide ceruletide induces maximal relaxation of the sphincter of Oddi. In a preliminary communication, ceruletide controlled saline infusion of the common bile duct (CBD) was found to be effective in promoting the passage of retained ductal calculi after cholecystectomy and exploration of the common bile duct. This paper reports on the further experience with this simple treatment which was administered to 27 patients with retained ductal calculi in 16 different hospitals within the U.K. The success of the procedure was documented by repeat T-tube cholangiography. Passage of stones into the duodenum was documented in 13 patients (48%) with complete clearance in 9 (33%) following one saline infusion/ceruletide treatment. The radiological stone size ranged from 3 to 15 mm. Within this range, there was no correlation between a successful outcome and size of retained stones. The duration of the saline T-tube infusion during ceruletide treatment averaged 54.7/min (SD 14.3). There was no correlation between flow rate of saline through the T-tube and a successful outcome. A significant inverse correlation was observed between the CBD pressure during ceruletide controlled saline T-tube infusion and successful stone passage (chi 2 = 9.9, P less than 0.01). Ampullary impaction by a stone was encountered in one patient. These results are encouraging and indicate that pharmacological dilatation of the sphincter of Oddi together with saline infusion is effective in the management of retained stones after exploration of the common bile duct. This treatment, which does not require any special expertise, should be tried in the first instance before more invasive procedures are used.
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Affiliation(s)
- S Sadek
- Department of Surgery, Ninewells Hospital and Medical School, University of Dundee, U.K
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74
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Roberts-Thomson IC. Non-surgical treatment of gallstones. AUSTRALIAN AND NEW ZEALAND JOURNAL OF MEDICINE 1987; 17:369-70. [PMID: 3435315 DOI: 10.1111/j.1445-5994.1987.tb00067.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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75
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Abstract
Abstract
This review discusses the natural history, diagnosis and treatment of stones in the bile ducts. A rational plan of management is outlined.
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76
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Abstract
Endoscopic sphincterotomy was attempted in 81 patients with gallbladders for the primary management of symptomatic common duct stones and was successful in 80. Immediate complications occurred in six (7 per cent) and one patient died (1 per cent). Clearance of the common duct was achieved in 70 (86 per cent). Eight patients required surgery for failed clearance of the duct and suffered no operative mortality. Of 70 patients with cleared ducts, 5 underwent elective cholecystectomy. Four other patients with persistent or recurrent symptoms have required cholecystectomy, also without mortality. Sixty-one patients were reviewed 12-44 months (mean 24; median 22 months) after endoscopic sphincterotomy. Eighteen have died, none from biliary disease. Forty-three patients remain alive and well, free of biliary symptoms since, endoscopic sphincterotomy. When the surgical risk of cholecystectomy and choledocholithotomy is high, endoscopic sphincterotomy is effective and safe. Routine cholecystectomy is not indicated when the common duct has been cleared.
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77
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78
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O'Doherty DP, Neoptolemos JP, Carr-Locke DL. Endoscopic sphincterotomy for retained common bile duct stones in patients with T-tube in situ in the early postoperative period. Br J Surg 1986; 73:454-6. [PMID: 3719270 DOI: 10.1002/bjs.1800730613] [Citation(s) in RCA: 30] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
We report on thirty-nine patients who underwent endoscopic sphincterotomy (ES) and stone extraction for retained common bile duct calculi with a T-tube in situ. Sixteen of the patients had undergone unsuccessful attempts at removal by flushing or dissolution by cholesterol solvents. A total of 76 stones were present: 53 distal to the T-tube and 23 proximal to the T-tube. ES and clearance of the common bile duct was achieved in 37 patients (95 per cent) and complications occurred in three patients (7.7 per cent). This method is an effective and relatively safe method in the early postoperative period allowing rapid treatment during the same admission as for the original operation and early hospital discharge.
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