Kadam VR, Howell S Ultrasound-guided continuous transmuscular quadratus lumborum block- L4 or L2 level catheter insertion for analgesia in open abdominal surgery: Case series. Indian J Anaesth. 2018 Jul;62(7):555-557. doi: 10.4103/ija.IJA_242_18.
Kadam VR Ultrasound guided quadratus lumborum block or posterior transversus abdominis plane block catheter infusion as a postoperative analgesic technique for abdominal surgery. J Anaesthesiol Clin Pharmacol. 2015 Jan-Mar;31(1):130-1. doi: 10.4103/0970-9185.150575.
Loane H, Preston R, Douglas MJ, Massey S, Papsdorf M, Tyler J A randomized controlled trial comparing intrathecal morphine with transversus abdominis plane block for post-cesarean delivery analgesia. Int J Obstet Anesth. 2012 Apr;21(2):112-8. doi: 10.1016/j.ijoa.2012.02.005. Epub 2012 Mar 10.
Marcus MA, Brodner G Are opioids contraindicated as postoperative pain relief for patients who are breast-feeding their newborn? Curr Opin Anaesthesiol. 2001 Jun;14(3):287-9.
Tulgar S, Selvi O, Kapakli MS Erector Spinae Plane Block for Different Laparoscopic Abdominal Surgeries: Case Series. Case Rep Anesthesiol. 2018 Feb 18;2018:3947281. doi: 10.1155/2018/3947281. eCollection 2018.
Yamak Altinpulluk E, García Simón D, Fajardo-Pérez M Erector spinae plane block for analgesia after lower segment caesarean section: Case report. Rev Esp Anestesiol Reanim (Engl Ed). 2018 May;65(5):284-286. doi: 10.1016/j.redar.2017.11.006. Epub 2018 Jan 17. English, Spanish.
Comparison of TAP, Anterior QL, or ESP Block for Elective Cesarean Section
Interventional studies are often prospective and are specifically tailored to evaluate direct impacts of treatment or preventive measures on disease.
Observational studies are often retrospective and are used to assess potential causation in exposure-outcome relationships and therefore influence preventive methods.
Expanded access is a means by which manufacturers make investigational new drugs available, under certain circumstances, to treat a patient(s) with a serious disease or condition who cannot participate in a controlled clinical trial.
Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.
Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.
