Laparoscopic Appendectomy
Part I

 

 

Laparoscopic Appendectomy 
 
Table of Contents
1.The Standard Technique - Adult Patients
2.Single Trocar Technique - Pediatric Patients
3.Endoloop Technique - Pediatric Patients
4. Needleoscopic Appendectomy
4. Management of Acceptable Complications
5. Surgical Performance Analysis
6. Cost Analysis
7. The Future

Although, the laparoscopic Appendectomy is not a new procedure, we believe it is about to become the Standard of Care Management for patients diagnosed with or suspected of having an acute appendicitis. The advent of high definition video-laparoscopy has developed laparoscopic appendectomy into an elegant, reliable procedure which can be easily performed. In most cases it can be completed within 20 to 30 minutes, and with experience, all clinical settings can be mastered. Critics of this procedure have claimed there are no significant cost savings and no improvement in the recovery of the patient. The following results will disprove these claims. It has been proven this procedure remains invaluable in patients with undiagnosed abdominal pain requiring further diagnostic intraabdominal exploration as well as patients with perforated appendicitis with or without an intraabdominal abscess.

This technique truly makes the appendectomy an outpatient procedure. The patient can resume a diet within a few hours after the "lap-appy" and in most cases can be discharged within 24 to 36 hours. 

THE STANDARD TECHNIQUE (ADULT PATIENTS)
  • Indications: All patients suspected of having an acute appendicitis or with undiagnosed, persistent right lower quadrant pain.
  • Operating Room Setup
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  • Trocar Placement
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  • The Position: The patient is in supine position, arms tucked at the side. The surgeon stands on the left side of the patient with the scrub nurse-camera holder-assistant.
  • Hardware Required: 1) Storz 30 Degree 10 mm Telescope (or a 5 mm 30 Degree Telescope), 2) Storz Camera (three chips or single chip), 3) Storz High Flow Insufflator, 4) CO2 Tank, 5) High Resolution Sony Monitor 21 inch, 6) Optional Printer - Storz
  • Anesthesia: General Endotracheal Anesthesia is used. Each patient is injected in the Pre-induction phase with 60mg IM Toradol (Roche Pharmaceuticals) and with 2grs. of Cefizox IV (Fujisawa Laboratories) and Flagyl 500mg IV.
  • 1 Verres Needle or SURGINEEDLE*
    1 VERSAPORT* Trocar -5mm
    1 VERSAPORT* Trocar-5 to 12mm
    1 VERSAPORT* Trocar-5 to 10mm
    1 Cabot Medical Claw - 5mm
    1 Dolphin Nose Storz Atraumatic Grasper-5mm
    1 USSC Multifire ENDO GIA* with 30 Cartridges (Regular and Vascular) or a Multifire ENDO GIA II* with 30 Cartridges
    USSC ENDO CATCH* Instrument
    1 Storz 3 Way Irrigation Suction Cannula- 5 mm  

    A pneumoperitoneum is obtained in the usual fashion. Three trocars are inserted: Two VERSAPORT* trocar 10-5mm (RUQ and Umbilical)  and one 5 mm VERSAPORT* (Suprapubic). The operator should remember the telescope can be used alternatively between the RUQ and the Umbilical trocar. This can be quite useful in some clinical settings. 

    An atraumatic grasper or an ENDO BABCOCK*is inserted via the RUQ trocar. The cecum is retracted upward toward the liver. Im most cases, this maneuver will elevate the appendix in the optical field of the telescope. The appendix is grasped at its tip with a 5 mm claw grasper via the suprapubic trocar. It is held in upward position.

    A dolphin nose grasper (or an ENDO DISSECT* instrument) is used to create a mesenteric window behind the base of the appendix. The window should be made as close as possible to the base of the appendix and it should be 1cm in size. 

    The appendix is transected by inserting an ENDO GIA* instrument via the RUQ trocar (blue cartridge, 3.5), closing it around the base of the appendix and firing it. 

    The base of the appendix is inspected for hemostasis. The operator should remember to wait five minutes before initiating measures to stop any bleeding site on the staple line as it will most likely stop within a few minutes. The ENDO GIA* cartridge is then changed to a vascular cartridge (white, 2.5) and the mesoappendix is stapled and transected with the same instrument. Several cartridges may have to be used.

     

    The appendix is now amputated from the gastrointestinal tract. An ENDO CATCH*instrument is inserted via the RUQ trocar and deployed in the intraabdominal cavity. The appendix, held by the grasper (via the suprapubic trocar), is placed into the specimen bag. The bag is closed and the ENDO CATCH* instrument with the VERSAPORT* trocar is removed from the intraabdominal cavity. The ENDO CATCH*instrument is separated from the trocar, and the trocar is reinserted.

    The intraabdominal cavity is irrigated thoroughly with normal saline (at least two liters). For perforated appendicitis with or without an intraabdominal abscess, a Blake Drain is left in the RLQ and pelvis.

     

    SINGLE TROCAR APPENDECTOMY (PEDIATRIC PATIENTS)     

    Hardware and Instruments:

  • Storz 11mm - 0 Degree Telescope with a Utility Channel with Storz High Flow Insufflator, a Storz Video Camera and a High Resolution Monitor.
  • 1  Verres Needle or Surgiview
  • 1 Storz Long Grasper- 5 mm
  • 1 Long ENDO SHEARS* Instrument with Electrocautery Connection- 5 mm
  • 1 Set of Large HemoClips (Weck) and Applier
  • 1 Storz 3 Ways Suction-Irrigation Cannula- 5 mm
  • The Technique: 

    The single puncture or single trocar laparoscopic appendectomy is performed by using a Storz telescope with a working or utility channel. A pneumoperitoneum is created with an intraabdominal pressure of 10 to 11 mm Hg. A single 5 to 11 mm VersaPort trocar is inserted in infraumbilical position. The intraabdominal cavity is visualized with a Storz Zero degree, 11mm telescope. The appendix is located and mobilized with an atraumatic grasper. The mesoappendix is mobilized. Hemostasis is obtained usually with the electrocautery connected to the grasper. The appendix is mobilized and the tip of the appendix is grasped with the grasper inserted via the utility channel. If the appendix cannot be mobilized appropriately, another laparoscopic technique may have to be used. The entire apparatus, i.e. trocar, telescope, grasper and appendix is pulled through the infraumbilical trocar. Maximum exposure can be obtained by lowering the intraabdominal pressure. The base of the appendix is now seen in the trocar insertion site and clipped with regular hemoclips. The base of the appendix is dropped back into the intraabdominal cavity. The trocar and telescope are reinserted. The appendiceal stump is checked. The intraabdominal cavity is well-irrigated with normal saline. The trocar is then removed and the trocar insertion site is also irrigated thoroughly.
    LAPAROSCOPIC APPENDECTOMY WITH SURGITIE*  

    In this technique, three 5 mm trocars are inserted using the same locations as for the standard technique. A 5 mm 30 degree Storz telescope is used via the infraumbilical trocar. The dissection of the appendix is performed using atraumatic graspers as previously described. The mesoappendix is transected with ENDO SHEARS* instruments and ligated with an SURGITIE*. The tip of the appendix is then grasped after passing a second SURGITIE* around it. It is then ligated at its base and cut. The appendix is then removed via the infraumbilical site.

    NEEDLEOSCOPIC APPENDECTOMY      

    This procedure can be done using newer, improved 2 mm MINISITE* instruments. Two 2 mm trocars are placed; one in the right upper quadrant and another one in suprapubic position. A VERSAPORT* 12 - 5 mm is placed in subumbilical position. using the same standard technique, this last port is used to insert the ENDO GIA* Stapler and to remove the appendix with an ENDO CATCH* Instrument.