OpenNeedle Ask your own

Question explored with the scientific record

What can you tell me about the effect of enf on low pressure spinal headaches

Sep 7, 2026 · 13 sources used · OpenNeedle synthesis
The evidence you received does not answer the question asked about ENF (whatever ENF is) for low-pressure spinal headaches. The records are on an HIV fusion inhibitor, glucose levels in PDPH, spontaneous intracranial hypotension, surgical repairs, anesthetic doses, and unrelated topics.

The records do not discuss any drug, protein, or treatment called "ENF" for low-pressure spinal headaches. There is no study of ENF here, no trial, no mechanistic account, and no case series. The retrieval landed on entirely different subjects: sifuvirtide for HIV [1], post-dural puncture headache risk factors in glucose [2], epidural blood patches for spontaneous leaks [3, 4], and many spinal anesthesia technique papers [20-28].

I cannot tell you about ENF for low-pressure spinal headaches because there is no evidence on it in what you provided. I do not know what ENF stands for in this context. If you meant a different abbreviation or a treatment not captured here, the retrieval missed it entirely.

My call: the evidence fails to address the question. Confidence that these records contain the answer is very low — the search went off track.

Keep digging

Sources used 13

  1. Broad Antiviral Activity and Crystal Structure of HIV-1 Fusion Inhibitor Sifuvirtide Journal of Biological Chemistry (2012) Thin

    This study demonstrates the broad anti-HIV activity of the fusion inhibitor sifuvirtide (SFT) across diverse HIV-1 subtypes and resistance variants, and reveals the high-resolution crystal structure of the SFT-N36 complex to explain its mechanism, backbone stability, and resista…

    DOI: 10.1074/jbc.m111.317883
  2. Lower Glucose Level Associated With Increased Risk for Post‐Dural Puncture Headache Headache: The Journal of Head and Face Pain (2020) Thin

    In a retrospective cohort of 969 adults undergoing diagnostic lumbar puncture, younger age and lower serum glucose were independently associated with higher risk of post-dural puncture headache (PDPH).

    DOI: 10.1111/head.13850
  3. Spontaneous intracranial hypotension: features, diagnosis and management Journal of Neurology (2021) narrative review Strong

    In SIH, large-volume non-targeted EBPs are the most effective treatment; CSF-venous fistula is a rare but surgically treatable cause; brain sagging can cause bvFTD-like symptoms reversible with leak treatment.

    DOI: 10.1007/s00415-021-10500-1
  4. Surgical treatment of spontaneous spinal cerebrospinal fluid leaks Journal of Neurosurgery (1998) Thin

    This study reviews the surgical management of spontaneous spinal cerebrospinal fluid leaks, highlighting the effectiveness of surgical intervention in alleviating symptoms of intracranial hypotension in a cohort of 10 patients.

    DOI: 10.3171/jns.1998.88.2.0243
  5. Intrathecal low‐dose hyperbaric bupivacaine–clonidine combination in outpatient knee arthroscopy: a randomized controlled trial Acta Anaesthesiologica Scandinavica (2008) Thin

    This randomized controlled trial investigates the effects of adding clonidine to low-dose hyperbaric bupivacaine for spinal anesthesia in outpatient knee arthroscopy, finding that 15 mg of clonidine prolongs motor block duration and improves analgesic quality without significant…

    DOI: 10.1111/j.1399-6576.2007.01574.x
  6. Low Molecular Weight Heparin and Neuraxial Anesthesia Thrombosis Research (2001) Thin

    This study reviews the risks and benefits of using low molecular weight heparin (LMWH) in patients undergoing neuraxial anesthesia, highlighting the incidence of spinal hematoma and the importance of individualized patient management.

    DOI: 10.1016/s0049-3848(00)00386-8
  7. Spinal Anesthesia in Outpatient Knee Surgery Anesthesia & Analgesia (1995) Thin

    This randomized prospective study compares 22-gauge and 25-gauge Sprotte needles for spinal anesthesia in outpatient knee arthroscopy, finding extremely low postdural puncture headache (PDPH) with both needles and fewer minor complications with the 25-gauge needle, supporting sa…

    DOI: 10.1097/00000539-199507000-00015
  8. Effect of low dose dexmedetomidine premedication on propofol consumption in geriatric end stage renal disease patients Brazilian Journal of Anesthesiology (English Edition) (2015) Thin

    In elderly dialysis-dependent patients with end-stage renal disease undergoing hip fracture surgery under spinal anesthesia, low-dose dexmedetomidine premedication reduces total intraoperative propofol consumption and accelerates recovery without increasing adverse events, compa…

    DOI: 10.1016/j.bjane.2014.11.002
  9. Low-dose sequential combined-spinal epidural anesthesia for Cesarean section in patient with uncorrected tetrology of Fallot Saudi Journal of Anaesthesia (2011) Thin

    This study presents a successful case of low-dose sequential combined-spinal epidural anesthesia in a parturient with uncorrected Tetralogy of Fallot undergoing elective Cesarean section, highlighting its safety and cardiovascular stability.

    DOI: 10.4103/1658-354x.84111
  10. Low-dose ropivacaine or levobupivacaine walking spinal anesthesia in ambulatory inguinal herniorrhaphy Journal of Anesthesia (2011) Thin

    This study compares the effects of low-dose ropivacaine and levobupivacaine in walking spinal anesthesia for ambulatory inguinal herniorrhaphy, finding that both anesthetics are effective, with levobupivacaine providing less motor block and longer postoperative analgesia.

    DOI: 10.1007/s00540-010-1089-9
  11. Combination of Low‐Dose Bupivacaine and Opioids Provides Satisfactory Analgesia with Less Intraoperative Hypotension for Spinal Anesthesia in Cesarean Section CNS Neuroscience & Therapeutics (2012) Thin

    This meta-analysis compares the efficacy and safety of high-dose bupivacaine, low-dose bupivacaine, and a combination of low-dose bupivacaine with opioids for spinal anesthesia in cesarean sections, finding that the combination regimen significantly reduces intraoperative hypote…

    DOI: 10.1111/j.1755-5949.2012.00306.x
  12. Low-Dose, Low-Concentration Levobupivacaine Plus Fentanyl Selective Spinal Anesthesia for Knee Arthroscopy Anesthesia & Analgesia (2011) Thin

    This study investigates the efficacy of low-dose, low-concentration levobupivacaine combined with fentanyl for selective spinal anesthesia in knee arthroscopy, finding that 4 mg of levobupivacaine results in faster ambulation and higher PACU bypass rates compared to 5 mg.

    DOI: 10.1213/ANE.0b013e318202cd03
  13. Low‐dose bupivacaine‐fentanyl spinal anaesthesia for transurethral prostatectomy Anaesthesia (2003) Thin

    Low-dose intrathecal bupivacaine (4 mg) with fentanyl (25 μg) provides adequate spinal anesthesia for TURP in elderly patients with better haemodynamic stability and fewer side effects than conventional 7.5 mg bupivacaine, though motor block is lighter and shorter.

    DOI: 10.1046/j.1365-2044.2003.03153.x

Your question next

What do you want to know?

No question is too uncomfortable for the evidence. Bring yours.

Ask your question