
    patient pathway has become infeasible due to pressure for shorter hospital stays. not enough
    inclusions.
  
['acute kidney injury', 'renal insufficiency']
['hydration strategy using saline', 'hydration strategy using sodium bicarbonate', 'l-carnitine']

        Inclusion Criteria:

          -  The patient must have given his/her informed and signed consent

          -  The patient must be insured or beneficiary of a health insurance plan

          -  The patient is scheduled for a coronarography

          -  The patient can come back to the hospital on days 2 and 7 after the coronarography for
             follow up

          -  The patient has moderate to severe renal insufficiency (glomerular filtration rate <
             60 ml / min / 1.73 m^2)

          -  The patient has not had any oral antidiabetic treatments, or diuretic treatments,
             within 48 hours preceding the coronarography

          -  Lack of treatment with ACE inhibitors or ARA2 24 hours prior to coronary

        Exclusion Criteria:

          -  The patient is participating in another study

          -  The patient is in an exclusion period determined by another study

          -  The patient is under judicial protection

          -  The patient is under any kind of guardianship

          -  The patient refuses to sign the consent form

          -  It is impossible to correctly inform the patient

          -  The patient is unable to participate in follow-up visits at days 2 and 7 after the
             coronarography

          -  The patient is pregnant or breastfeeding

          -  The patient is taking L-carnitine

          -  The patient has a contra indication for a treatment used in this study

          -  Acute heart failure

          -  Infarction, acute phase

          -  Hemodialysis patient

          -  Myeloma

          -  Epileptic patient treated with Depakine (valproic acid) (carnitine can lower
             epilepsy-related thresholds by speeding up the metabolism of Depakine)
      