Shahram Nazari
- Degree
- Professor
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- doctor
- Fields of interest
- Bariatric surgery, General Surgery, Gastroenterology
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- 65295
- Biography
- General Surgeon / Gastrointestinal Surgeon. Interventional Flexible Endoscopy and Hybrid Endo-Laparoscopic Surgeon. Tehran, Iran.
Latest content
“Crown of Death”; Corona Mortis, a Common Vascular Variant in Pelvis
The corona mortis, literally meaning “crown of death,” is a critical vascular variant that every laparoscopic hernia surgeon must recognize and respect. This arterial or venous connection...
Accessory Grooves on the Diaphragmatic Surface of the Liver
Accessory grooves on the diaphragmatic surface of the liver are anatomical variations that appear as linear indentations or furrows, most commonly over the right lobe. These grooves are usually incidental...
Mastering Heller Myotomy: Preserving the Anterior Vagus Nerve During...
During Heller myotomy, preservation of the anterior vagus nerve is a critical step that directly impacts postoperative gastric function. The anterior vagus nerve runs along the anterior surface of the...
Laparoscopic Cholecystectomy in Impacted Infundibular / Cystic Duct...
During laparoscopic cholecystectomy, impacted stones in the infundibulum or cystic duct neck can significantly increase intraoperative difficulty by distorting normal anatomy, causing grafting of adhesions,...
Incidental Intraabdominal Loose Body Discovered During Laparoscopic...
The abdominal cavity was inspected, revealing a 5mm, smooth, white loose body in the right upper quadrant, posterior to the liver. No inflammation or infection was noted. The gallbladder was removed without...
Ventral Hernia; Endoscopic Onlay Repair ENDOR
Endoscopic onlay repair (ENDOR) is a minimally invasive technique for umbilical and epigastric hernia repair in which a working space is created in the subcutaneous plane over the anterior rectus sheath....
Catching Two Culprits in One Camera Frame: Cord Lipoma + Indirect...
A single groin can hold more than one story, and this case is a reminder of that fact. During laparoscopic TAPP hernia repair, careful dissection revealed not only an indirect hernia, but also a cord...
Laparoscopic Dissection in a Chronic Fibrotic Gallbladder Achieving...
Laparoscopic cholecystectomy in the setting of a chronic fibrotic gallbladder is often technically demanding because normal anatomical planes are distorted or completely obliterated. Dense fibrosis and...
Esophageal Lengthening in Hiatal Hernia Repair – Vagal Nerve Release...
This video demonstrates a technical nuance during laparoscopic hiatal hernia repair aimed at achieving additional intra-abdominal esophageal length without performing a Collis gastroplasty. In selected...
Extended Laparoscopic Heller Myotomy for Type III Achalasia A Fiber-by-Fiber...
In type III achalasia, characterized by spastic and hypertensive esophageal contractions, an extended and carefully controlled Heller myotomy is essential for durable symptom relief. In this video, I...
Laparoscopic Nissen Fundoplication
Although the standard Nissen fundoplication has been modified many times, laparoscopic Nissen fundoplication is now considered the standard surgical approach for treatment of severe gastroesophageal reflux...
Ventral Ectopic Gallbladder Over the Hepatic Duct with Dual Cystic...
Ectopic or ventrally displaced gallbladders are rare anatomic variations that present significant operative challenges due to unpredictable relationships with the extrahepatic biliary tree. A long, anteriorly...
Respect the Layer Preserving the Transversalis Fascia in TAPP Hernia...
During laparoscopic TAPP repair, one of the most delicate and essential steps is the separation of preperitoneal fat from the transversalis fascia. This fascial layer forms the true posterior wall of...
Loose Floppy Nissen Fundoplication
A loose floppy Nissen fundoplication aims to control gastroesophageal reflux while preserving normal swallowing function. In this technique, a short, tension-free 360-degree wrap of the gastric fundus...
Gastric Sleeve Revision to Mini Gastric Bypass
Conversion of sleeve gastrectomy to mini-gastric bypass is an established revisional option for patients who experience significant weight regain or inadequate weight loss after the initial sleeve procedure....
Top content
Rouviere's Sulcus
Rouviere's sulcus is a 2-5 cm fissure on the liver between the right lobe and caudate process. The benefit of finding the Rouviere's sulcus during laparoscopic cholecystectomy is supported by the fact...
Phrygian Cap Gallbladders
A Phrygian cap is a congenital anomaly of the gallbladder with an incidence of 4%. It can simulate a mass in the liver during hepatobiliary imaging and is sometimes mistaken for pathology.
Laparoscopic Appendectomy
Surgical video case: the method used for closure appendix base during laparoscopic appendectomy is important in terms of the simplicity of application, biocompatibility, price and other characteristics...
Step by Step Laparoscopic Cholecystectomy
Surgical teaching video: step by step laparoscopic cholecystectomy. Step 1: Dissection of the hepatocystic triangle. Step 2: Establishing the critical view of safety. Step 3: Cystic artery is clipped...
Step By Step Laparoscopic Cholecystectomy
Laparoscopic cholecystectomy remains one of the most commonly performed procedures in the United States and across the world. Although the laparoscopic approach is considered safe, complications are still...
Biliary Stent Removal
Laparoscopic common bile duct exploration (LCBDE) has been found to be a safe, efficient and cost-effective treatment for choledocholithiasis. Following LCBDE, the clearance may be ascertained by a cholangiogram...
Acute Suppurative Gangrenous Appendicitis
Increasing intraluminal pressures eventually exceed capillary perfusion pressure, which is associated with obstructed lymphatic and venous drainage and allows bacterial and inflammatory fluid invasion...
Hourglass Gallbladder
Gallbladder anatomy is highly variable, and surgeons must be prepared to identify anomalies of form, number, and position. Variants include gallbladder agenesis, diverticulum, duplication, bilobed, multiseptate,...
Lap Appendectomy in Acute Appendicitis
The role of laparoscopic appendectomy is still not well defined in the literature. Laparoscopic appendectomy is feasible in developing countries with similar postoperative outcome and less requirement...
Lap Appendectomy
Similar to open appendectomy, most of the methods described for laparoscopic appendectomy. Dissection and hemostasis of mesoappendix using (brand hidden) and appendiceal stump closure by (brand hidden)...
Left-sided Gallbladder
A left-sided gallbladder (LSG) is a gallbladder located on the left side of the round ligament and not on the right side, which is its common location. It constitutes an uncommon abnormality first described...
TAR Hernioraphy
Video case: complex ventral hernia repair is a frequent and challenging topic. Reconstructive techniques are numerous but most of them are unable to achieve the goals of hernioplasty. Posterior component...
Acute Suppurative Cholecystitis / AAST 1
Gallbladder empyema (suppurative cholecystitis 1) is an uncommon complication of cholecystitis and refers to a situation where the gallbladder lumen is filled and distended by purulent material (pus).
Gallbladder Mucocele
The term gallbladder mucocele refers to an overdistended gallbladder filled with mucoid or clear and watery content. Usually noninflammatory, it results from outlet obstruction of the gallbladder and...
Jejunojejunal Intussusception
Intussusception is defined as the telescoping of one segment of the gastrointestinal tract (intussusceptum) into an intestinal segment distal to it (intussuscipiens). Intestinal invagination or intussusception...
Cholecystoduodenal Fistula
Case: bilioenteric fistulas are the abnormal communication between the bile duct system and the gastrointestinal tract that occurs spontaneously and is a rare complication of an untreated gallstone in...
Cholesterolosis
Cholesterolosis of the gallbladder happens when cholesterol accumulates in the gallbladder, forming polyps. It is often symptomless, but pain, indigestion, fever, and jaundice may occur. If so, treatment...
Critical View of Safety in LC
Strasberg's method, known as Critical View of Safety, is based on three criteria: first, only two structures can be clearly seen connected to the gallbladder; second, the lower one third of the gallbladder...
Landmarks for Laparoscopic TAPP Hernia Repair
The aim of the laparoscopic exploration is to identify the superficial anatomical landmarks (urachus, umbilical folds, epigastric vessels, spermatic vessels, vas deferens or uterine round ligament) and...
Critical View of Safety in Cholecystectomy
Laparoscopic cholecystectomy is associated with a higher incidence of biliary/vasculobiliary injuries than open cholecystectomy. Anatomical misperception is the most common underlying mechanism of such...
Type 2 Hiatal Hernia
A type II hiatal hernia, also known as a rolling hernia, occurs when the gastro-esophageal junction is anchored in the abdomen, and the gastric fundus migrates into the mediastinum through the hiatal...
Landmarks in Laparoscopic TAPP Hernia Exploration
The aim of the laparoscopic exploration is to identify the superficial anatomical landmarks (Urachus, umbilical folds, epigastric vessels, spermatic vessels, vas deferens or uterine round ligament) and...
Five Triangles in TAPP
Facilitating anatomical recognition: “the Five Triangles”The figure also illustrates in a didactic way the representation of five triangles.
Landmarks in Laparoscopic Hernia Repair
The aim of the laparoscopic exploration is to identify the superficial anatomical landmarks (Urachus, umbilical folds, epigastric vessels, spermatic vessels, vas deferens or uterine round ligament) and...
Cystic Duct Joining Accessory Aberrant RHD
Bile duct injury is a recognized complication of laparoscopic cholecystectomy. Knowing the anatomy and variations in cystic duct common hepatic duct junction may help decreasing chance of bile duct injuries....
A Nissen Fundoplication CT Scans
A Nissen Fundoplication CT Scans demonstrates wraping the top of the stomach around the lower esophagus after reducing the hiatal hernia.
Gastric Band Erosion - Endoscopic View
Complications of laparoscopic adjustable gastric bands include migration and slippage of the band, dilation of the proximal gastric pouch, troublesome gastroesophageal reflux symptoms, and erosion of...
Junction of the Cystic Duct to Left Hepatic Duct
We report a case of an anomalous junction of the cystic duct with the left hepatic duct found in IOC during laparoscopic cholecystectomy. Only few patients with this anatomy have been reported. Some patients...
Junction of the Cystic Duct to Right Hepatic Duct
Cholecystectomy is the most commonly performed elective surgery worldwide. Variations in the normal anatomy of the biliary tree are common. Cystic duct variations are surgically most significant. Incidence...
Low Junction of the Cystic Duct #2
The point of the junction of the cystic duct with the common hepatic duct was studied by means of various preoperative and intraoperative cholangiographic procedures and by gross intraoperative examinations....
Laparoscopic CBD Exploration, Reims, France (Oct 28, 2022)
In Reims (France) during congress I presented my railway technique in CBD stone extraction.
The Mechanism of the Anti-Reflux Barrier in Deep
Anti-Reflux Barrier in Human. The anti-reflux barrier in humans is a complex system of structures that work together to prevent the reflux of gastric contents into the esophagus. This system includes...
Role of Preoperative Endoscopy in Bariatric Surgery
Preoperative endoscopy plays a crucial role in bariatric surgery by providing a comprehensive evaluation of the patient's gastrointestinal tract. It helps in identifying and addressing potential pathologies...
Autonomic and Reflex Phenomena After Sleeve Gastrectomy The Case...
Autonomic and reflex phenomena after sleeve gastrectomy.
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