Nerve Damage After Surgery: When It May Raise Malpractice Questions

September 28, 2026

Nerve damage is a recognized complication of surgery and anesthesia. It can cause numbness, weakness, pain, or loss of function that may be temporary or permanent. Because nerve injuries can occur even when appropriate care is provided, the injury alone does not establish medical malpractice.


When nerve damage follows surgery, the circumstances surrounding the injury become important. Patient positioning, surgical technique, anesthesia, monitoring, and the response to symptoms may all need review. A Greenville medical malpractice lawyer can evaluate the medical records and whether the care provided met the applicable standard.

How Nerve Damage Can Happen During Surgery


Nerves can be injured in several ways during an operation. A nerve may be compressed by prolonged pressure, stretched by positioning or surgical manipulation, or directly injured during the procedure. Reduced blood flow, tourniquets, anesthesia-related procedures, and other factors can also contribute. In some cases, more than one factor is involved.


For example, an anesthetized patient cannot feel uncomfortable pressure and reposition themselves as an awake person would. This makes careful positioning and protection of vulnerable nerves important during surgery. The American Society of Anesthesiologists provides guidance on positioning and other measures intended to reduce the risk of perioperative nerve injuries.


Some nerve injuries occur despite appropriate precautions. Others may raise questions about positioning, technique, monitoring, or another aspect of care. Determining which occurred generally requires examining the specific procedure, the nerve involved, and the patient's medical records.


How Patient Positioning Can Affect Nerves During Surgery


Because an anesthetized patient cannot feel pressure or reposition themselves, the surgical team must consider positioning throughout the procedure. Certain nerves are more vulnerable depending on how the patient's arms, legs, and body are positioned.


The American Society of Anesthesiologists identifies several positioning considerations intended to reduce the risk of nerve injury. These include:


  • Brachial plexus: Excessive arm or shoulder positioning can place stress on these nerves. For patients lying on their backs, ASA guidance recommends limiting arm abduction to 90 degrees when possible.
  • Ulnar nerve: This nerve runs near the elbow and can be vulnerable to pressure. Arm and forearm positioning can help reduce that pressure.
  • Peroneal nerve: Pressure near the outside of the knee can affect this nerve, making lower-leg positioning and padding important.
  • Sciatic and femoral nerves: Certain leg and hip positions can place these nerves under stress, particularly during procedures requiring prolonged positioning.


The appropriate position depends on the patient and procedure. The ASA also recommends periodically checking upper and lower extremity positioning during surgery when feasible.


Ulnar and brachial plexus injuries appear frequently in malpractice claims involving perioperative nerve damage. A systematic review of anesthesia closed-claims data found that injuries to these two areas accounted for about two-thirds of peripheral nerve injury claims. This figure describes malpractice claims, not the overall rate of nerve injuries after surgery.


Why the Medical Record Does Not Always Tell the Whole Story


Medical records are an important part of evaluating a surgical nerve injury, but documentation alone may not explain what happened. For example, research has found ulnar nerve injuries even when appropriate elbow padding was documented. One review reported that 18% to 27% of these injuries occurred despite records showing appropriate padding.


That does not mean the documentation was inaccurate or that the injury resulted from malpractice. Nerve injuries can occur despite appropriate positioning and precautions. Instead, the records must be considered alongside the procedure, positioning, patient-specific risks, and other available evidence.


The question is whether the care provided was appropriate for that particular patient and procedure, not simply whether a positioning precaution appears in the chart.


What Intraoperative Neuromonitoring Can Show


During some surgeries, particularly certain spine procedures, the surgical team may use intraoperative neuromonitoring. This technology tracks nerve or spinal cord function while the operation is underway. Current clinical guidance recommends neuromonitoring for patients at higher risk of spinal cord injury during spine surgery.


A significant change in a monitoring signal can warn the surgical team of an increased risk of neurological injury. The team may then evaluate possible causes and determine what response is appropriate. That can involve reviewing surgical steps, positioning, anesthesia, blood pressure, or other factors affecting the signal.


When neuromonitoring was used, those records can help reconstruct what happened during surgery. They may show when a signal changed, what was happening at that time, and how the surgical team responded.


What the Recovery Timeline Can Show


Not every nerve injury after surgery is permanent. Some mild injuries, known as neurapraxia, involve a temporary interruption in how the nerve sends signals. These injuries can improve over weeks or months. More serious nerve damage may take much longer to heal or may cause lasting problems.


The recovery timeline can help doctors understand the type and severity of the injury. However, a quick recovery does not prove that appropriate care was provided. Likewise, lasting symptoms do not prove that malpractice occurred.


Doctors may use nerve conduction studies and electromyography, often called EMG, to learn more about an injury. These tests can help identify the affected nerve, measure the severity of the damage, and track recovery. Timing matters because some nerve damage may not appear clearly on these tests immediately after surgery.


Why New Symptoms After Surgery Need Attention


Nerve injuries can cause numbness, tingling, burning pain, weakness, or difficulty moving part of the body. Some symptoms appear immediately after surgery, while others may become clearer as anesthesia and pain medications wear off.


New or worsening neurological symptoms may require further evaluation. Depending on the symptoms, doctors may perform a neurological examination, order imaging, or use nerve conduction studies and EMG. Progressive weakness or other significant neurological changes may require more urgent evaluation.


For a later malpractice review, the medical record can help establish when symptoms were first reported and how healthcare providers responded. Whether an earlier response would have changed the outcome depends on the specific injury and generally requires medical expert review.


What an Expert Reviews in a Surgical Nerve Injury Case


Determining whether nerve damage resulted from medical negligence usually requires more than reviewing the diagnosis itself. A medical expert may need to examine the operative report, anesthesia records, positioning notes, and other records surrounding the procedure.


Depending on how the injury occurred, that review may consider:


  • How the patient was positioned and protected during surgery
  • How long the procedure lasted
  • Whether the nerve was near the surgical area
  • What surgical techniques or instruments were used
  • Whether neuromonitoring showed changes during the procedure
  • When symptoms were first reported after surgery
  • How healthcare providers evaluated and responded to those symptoms


The goal is to compare the care provided with the accepted standard of care for that patient and procedure. An injury can be a recognized surgical complication and still require review of whether appropriate precautions were taken.


Expert review also has a specific role under South Carolina law. Before filing a medical malpractice lawsuit, a claimant generally must file a Notice of Intent to File Suit with an expert affidavit, subject to statutory requirements and exceptions. The affidavit must identify at least one alleged negligent act or omission and its factual basis.


When Nerve Damage After Surgery May Warrant a Closer Look


Nerve damage after surgery does not automatically mean medical malpractice occurred. It also should not automatically be dismissed simply because nerve injury was listed as a possible complication.


The circumstances surrounding the injury matter. Positioning, surgical technique, monitoring, the location of the injured nerve, and the response to new symptoms can help explain how the injury occurred. Medical experts can then evaluate whether the care met the applicable standard and whether any departure from that standard caused the patient's harm.


If you are dealing with nerve damage after surgery, the medical negligence team at Mooneyham Berry can review the medical records and help determine whether the circumstances warrant further investigation.

September 30, 2026
A police misconduct claim is different from an ordinary claim against a private person or business. The law that applies can affect who may be held responsible, what must be proven, and how a claim proceeds. A Greenville police misconduct lawyer can evaluate which legal framework may apply to a specific encounter. In South Carolina, police misconduct may raise claims under state law, federal civil rights law, or both. State tort claims may fall under the South Carolina Tort Claims Act. Federal claims may arise under 42 U.S.C. § 1983 when someone acting under color of state law violates a federally protected right.
September 29, 2026
Medication errors can have serious consequences for nursing home residents, particularly those managing multiple health conditions and medications. Research has found that medication errors are a recurring concern in long-term care, although reported rates vary considerably depending on how errors are defined and measured. Errors can occur during prescribing, dispensing, monitoring, or administration. Understanding how they happen can help families recognize when an isolated mistake may warrant closer examination. When an error causes harm, a Greenville nursing home abuse and neglect lawyer can also evaluate whether the facility's medication practices or other failures contributed to the injury.
September 29, 2026
South Carolina recently expanded its distracted driving law beyond the state's previous ban on texting behind the wheel. The current law restricts drivers from holding or physically supporting phones and other mobile electronic devices while driving.  These rules can also become relevant after a collision. A traffic violation and civil responsibility for a crash are separate issues. A Greenville car accident lawyer can examine phone use and other evidence when distraction may have contributed to a collision.
September 28, 2026
Surgical site infections are a known risk of surgery, but many can be prevented. Current infection-prevention guidance estimates that up to 60% may be preventable when recommended practices are followed. An infection after surgery does not automatically mean someone was negligent. The circumstances surrounding the infection matter. A Greenville medical malpractice lawyer can review whether infection-prevention measures were followed and whether delays in recognizing or treating the infection contributed to additional harm.
September 1, 2026
A bad medical outcome does not always mean malpractice occurred. Learn the difference between a complication, an error, and a legal claim.
By Joe Mooneyham • August 29, 2026
When medical care goes badly, the outcome alone rarely tells you whether negligence occurred. A patient can develop a serious complication despite appropriate treatment, while another patient may suffer harm because a warning sign was missed, a test was never followed up on, or a provider failed to take a step the circumstances called for. South Carolina medical negligence cases turn on that difference. The question is not simply whether a doctor made a mistake or whether the patient was harmed. It is whether the care fell below the applicable medical standard, and whether that failure actually caused the patient's injury. That determination can require looking closely at the medical records, what the provider knew at the time, and what a reasonably careful provider would have done with the same information. What Is Medical Negligence, Legally Speaking? Medical negligence occurs when a healthcare provider fails to meet the level of care a reasonably careful provider would have delivered under similar circumstances, and that failure causes harm to the patient. The focus is on the care provided, not simply the result. A decision that turns out badly is not necessarily negligent. Doctors often have to choose between multiple reasonable treatment options, and a complication can occur even when the appropriate procedure is followed. The question is whether the provider’s actions fell outside the range of care that would have been considered reasonable given the patient’s symptoms, test results, medical history, and other information available at the time. Medical negligence in South Carolina therefore requires more than showing that something went wrong. A patient generally has to establish a departure from the applicable standard of care and connect that failure to the injury that followed. The Four Elements of Medical Negligence To establish medical negligence in South Carolina, a patient generally has to prove four elements: Duty: A healthcare provider owed the patient a professional duty of care. Breach: The provider failed to meet the applicable medical standard of care. Causation: The provider’s failure caused or contributed to the patient’s injury. Damages: The patient suffered measurable harm as a result. Duty is usually straightforward when a provider-patient relationship is established. Breach and causation tend to require much closer examination of the medical evidence. Causation can be particularly challenging when the patient was already seriously ill or injured before the alleged negligence occurred. It is not enough to show that a doctor missed a diagnosis, performed a procedure incorrectly, or otherwise fell below the standard of care. The evidence also has to connect that failure to additional harm. For example, if a cancer diagnosis was delayed, the question is not only whether the cancer should have been identified sooner. It also matters whether earlier detection would likely have changed the available treatment, prognosis, or outcome. Similarly, a surgical mistake may constitute a breach of the standard of care without supporting a significant claim if it was corrected before causing additional injury. That relationship between what the provider did wrong and what changed for the patient because of it is why causation becomes such an important part of determining whether medical negligence actually occurred. South Carolina's Medical Standard of Care The medical standard of care is not a universal checklist that tells every doctor exactly what to do in every situation. It depends on the type of provider, the patient's condition, the information available at the time, and the circumstances under which the care was provided. A family physician evaluating a patient with chest pain, for example, is not judged by whether a cardiologist later reaches a more precise diagnosis. The question is whether the family physician responds as a reasonably careful provider in that position should, given the symptoms, medical history, test results, and other information available during the visit. Specialty matters as well. The care expected from an emergency physician, surgeon, radiologist, anesthesiologist, or other specialist can involve different training, procedures, and clinical decisions. Medical experts are generally needed to explain what the appropriate standard required in the particular circumstances and whether the provider's actions fell below it. Importantly, the standard is evaluated based on what was reasonably known at the time care was provided , not what becomes obvious later. A diagnosis made weeks afterward may make an earlier decision look wrong in hindsight, but the relevant question is whether the provider should reasonably have recognized the problem based on the information available then. What Counts as a Breach of the Standard of Care? A breach occurs when a healthcare provider's actions fall below the applicable medical standard of care. Depending on the circumstances, that might involve: Failing to order testing reasonably indicated by a patient's symptoms Misreading or failing to follow up on an abnormal scan or lab result Administering the wrong medication or dosage Failing to recognize signs that a patient's condition is deteriorating Delaying treatment when the circumstances call for a timely response Discharging a patient despite warning signs that warrant further evaluation The existence of another possible treatment or diagnosis does not establish a breach by itself. Medicine often allows more than one reasonable course of action, and two competent providers can reach different conclusions without either being negligent. The issue is whether the care actually provided falls outside the range of reasonable medical judgment. That is why these cases are generally evaluated by comparing the provider's decisions with the patient's medical record and the testimony of a qualified expert—not simply by comparing the original decision with what another doctor chooses to do later. How to Prove Medical Negligence in South Carolina Medical negligence usually cannot be established from the outcome alone. South Carolina generally requires qualified medical expert testimony to explain the standard of care that applied, identify how the provider's actions fell below that standard, and connect the failure to the patient's injury. That expert typically needs experience relevant to the type of care being evaluated. A case involving an alleged surgical error, for example, raises different medical questions than one involving a missed diagnosis in an emergency room. The expert's role is to evaluate the care based on the circumstances that existed at the time rather than simply point to what eventually went wrong. When Expert Testimony May Not Be Required South Carolina recognizes a narrow "common knowledge" exception when the alleged negligence is obvious enough that an ordinary person can understand it without specialized medical testimony. The South Carolina Supreme Court has addressed this exception in Brouwer v. Sisters of Charity Providence . These cases are the exception rather than the rule. Most questions involving diagnosis, treatment decisions, surgical technique, medication management, or a provider's response to a developing complication require medical knowledge beyond what a judge or jury would ordinarily be expected to have. The Medical Record Is Often the Starting Point Expert review is only as useful as the evidence available to review. Medical records can establish what symptoms the patient reported, which tests were ordered, when results became available, what providers documented, and how the patient's condition changed over time. Timing can be particularly important. An abnormal result may appear in the chart hours or days before anyone responds to it, or the record may show repeated symptoms before additional testing is ordered. In other cases, the documentation may support the provider's decision and show that the complication developed despite appropriate care. That is why proving medical negligence usually begins with reconstructing the care from the record rather than working backward from the eventual outcome. The goal is to determine what the providers knew, when they knew it, what they did in response, and whether those decisions met the medical standard that applied at the time. When a Bad Outcome Isn't Negligence A serious complication does not necessarily mean a healthcare provider was negligent. A recognized surgical risk, an advanced condition that could not reasonably have been detected sooner, or a poor response to otherwise appropriate treatment can cause significant harm even when the medical standard of care was met. The difference often becomes clearer only after the records are reviewed alongside the applicable standard of care. What symptoms were present? What did testing show? When did providers receive that information, and what did they do with it? Those questions matter more than simply knowing that the eventual outcome was poor. When the evidence does point to negligent medical care , the next question is whether that failure caused additional harm that could have been avoided. When it does not, an appropriate review can provide an answer without forcing the facts into a malpractice claim that the medical evidence does not support. If you have questions about medical treatment that resulted in an unexpected injury or decline, Mooneyham Berry can review what happened and help determine whether further investigation is warranted.