When Cold Becomes a Weapon: The Overlooked Link Between Hypothermia and Child Abuse

When physicians think of child abuse, they picture burns, bruises, and broken bones. Heat-related injuries are among the best-documented signatures of maltreatment: a systematic review by Loos and colleagues found that roughly 9.7 percent of burns in pediatric patients are non-accidental, and other studies suggest that between 6 and 22 percent of abused children bear inflicted burns. But the opposite end of the thermal spectrum has remained almost invisible. A new review published in the International Journal of Legal Medicine by L. Küppers, S. Ritz, and L. M. König of the Institute for Legal Medicine at University Clinic Düsseldorf argues that hypothermia and local cold injuries, while rarely reported, represent a severe and potentially lethal form of child abuse and neglect that clinicians, forensic pathologists, and child protection workers systematically overlook.

The research team conducted a narrative review with systematic elements, searching PubMed in November and December 2025 with combinations of pediatric terms such as child, infant, neonate, newborn, and adolescent and maltreatment terms such as abuse, neglect, non-accidental, and battered child, crossed with cold-related terms including hypothermia, cold injury, low body temperature, and frostbite. A supplementary non-systematic search of German-language publications in Google Scholar was added to catch literature not indexed in PubMed. Two reviewers independently screened abstracts against inclusion and exclusion criteria, excluding studies focused exclusively on adults, on clinical or therapeutic hypothermia, and on accidental cold exposure such as winter sports accidents. Out of 192 search results plus four additional German-language publications, only 22 papers ultimately made the cut, a strikingly small body of evidence for a phenomenon the authors describe as a significant threat to affected children.

To understand why cold is so dangerous to young children, the review lays out the underlying physiology in detail. Hypothermia is generally defined as a core body temperature falling below 35 degrees Celsius, although the World Health Organization uses a threshold of 36.5 degrees for newborns. Crucially, hypothermia does not require extreme environments: it can develop at ordinary room temperature if a victim is unable to take self-rescue measures and no help arrives. In water, the danger multiplies, because heat conducts 20 to 25 times faster through water than through air. The body fights back with stress hormone release, shivering, peripheral vasoconstriction, glycogen mobilization, and, in infants, heat production from brown fat tissue. Yet children lose heat faster than adults because of their larger surface-to-volume ratio, narrower range of thermoregulatory responses, and faster metabolic exhaustion. A literature review cited in the paper documented neonatal cooling rates ranging from 1.2 to a staggering 28.5 degrees Celsius per hour.

Local cold injuries follow a different but equally grim pathophysiology. Frostbite results from rapid exposure to extreme cold, producing ice crystals both inside and outside cells, and typically strikes the extremities, nose, and ears. Severity is usually graded clinically into four levels. Non-freezing cold injury develops more slowly and involves no ice crystal formation, but both forms trigger vasoconstriction, ischemia, inflammatory cellular damage, electrolyte shifts that initiate cell death, and thrombosis. The body does mount a defense known as the hunting response, in which blood vessels dilate for five to ten minutes to protect chilled tissue, but if cold exposure continues, circulation to the affected body part is shut down to preserve the core, leading to further ischemia and necrosis. The consequences can range from lasting sensory deficits to amputation and death, and both injury types demand intensive, multidisciplinary treatment.

Against this physiological backdrop, the case reports assembled by the Düsseldorf team paint a disturbing picture of how cold exposure is weaponized or allowed to harm children. Gustavson and Levitt described four cases of abuse-related pediatric hypothermia in 1996, noting that hypothermia without a consistent history should always raise suspicion of abuse. In three of their four cases, the children had been forced into cold water or held under a cold shower, leading the authors to propose inflicted cold-water immersion or near drowning as a recognized mechanism. Other reports lean toward neglect: Bernstein and colleagues described a newborn found in a dumpster, still attached to her placenta, with an initial core temperature of just 20 degrees Celsius. Knight and colleagues, reviewing pediatric neglect deaths, reported a three-year-old boy with patterned contusions found dead at home, in whom autopsy revealed hypothermia as the cause of death.

One of the review’s clearest findings is demographic. Every case of abuse- or neglect-related hypothermia identified in the literature involved infants and children aged six or younger, and only one reported case involved a child older than four, a six-year-old boy tied to a bed with an electrical cord in a cold room, deliberately prevented from escaping. This age pattern almost certainly reflects vulnerability: very young children cannot remove themselves from cold environments, cannot communicate what happened, and depend entirely on caregivers for warmth and shelter. The authors also observed that most of the affected children showed concomitant injuries indicative of physical abuse or pronounced signs of other forms of neglect, suggesting that cold exposure tends to appear in particularly severe cases of maltreatment, where caregivers who inflict one hazard are likely violating the child’s wellbeing in multiple ways at once.

The rarity of published cases, however, may be more apparent than real. The review highlights substantial underreporting: mild hypothermia resulting from abuse or neglect likely goes unrecognized in clinical settings or is deemed too insignificant to publish, and hypothermia is notoriously difficult to detect post mortem, which may allow it to escape forensic notice entirely. Publication bias further skews the record toward the most severe cases. The true extent of unreported cases is therefore likely considerable, the authors conclude, and clear generalizations from 22 publications remain difficult. Outcomes in the documented cases nonetheless span the full spectrum, from children who recovered without lasting physical effects to those requiring amputation of extremities and those who died.

Local cold injuries tell an even sparser story. The review found only isolated reports, including a 2024 case of medical child abuse in which a mother caused what the authors called cold burn injuries by repeatedly spraying her 17-month-old child’s skin with deodorant spray. Neglect-related frostbite is similarly rare in the literature, with the closest cases being newborns left outside in the cold, though the authors note that distinguishing neglect from active abuse is often legally and clinically impossible in such scenarios. A retrospective study of 46 pediatric frostbite cases by Boles and colleagues found that lack of supervision was a major risk factor and the most common cause, with the child unsupervised in 9 of 14 cases involving children up to 12 years old. The review also flags alcohol intoxication as a risk factor for hypothermia in older children and adolescents, raising questions about supervisory neglect depending on age and circumstances.

A particularly subtle finding concerns hypothermia as a secondary phenomenon rather than a direct result of cold exposure. Hypothermia is a well-known sign in severe trauma and can indicate brain injury with impaired central thermoregulation, and it appears regularly in abusive head trauma. Kennedy and colleagues, studying 520 children with traumatic brain injury, of whom 50 had abusive head trauma, found a twofold increase in unfavorable outcomes among children with secondary hypothermia. Lee and colleagues, in a retrospective study of 156 physically abused children admitted to intensive care, found that trauma-induced hypothermia was associated with poor neurological outcomes and was the second strongest risk factor for mortality, with abusive head trauma accounting for 87.1 percent of ICU admissions. This creates a diagnostic trap: secondary hypothermia from abusive head trauma could be mistaken for additional cold-related abuse, and healthcare professionals must be aware of the phenomenon to prevent false allegations.

The review closes with a warning about differential diagnosis and interpretation pitfalls. Cold-induced skin injuries can resemble thermal burns and must be distinguished from them, while cold aerosol burns, sometimes called frosties, are frequently self- or peer-inflicted among adolescents. Accidental hypothermia in newborns, whose limited thermoregulatory reserves put them at risk of pneumonia and sepsis, must also be considered, and the authors note that external factors such as homelessness, forced displacement, or war may prevent parents from protecting their children through no fault of their own. Even bruising demands careful reading, because hypothermia impairs coagulation and can produce more pronounced hematomas, while standard laboratory coagulation tests run at 37 degrees Celsius fail to capture the full extent of the dysregulation. The authors acknowledge that their findings, drawn largely from high-income countries, may not generalize elsewhere, and they call for studies with larger case numbers. Their central message stands: hypothermia and cold injuries, though rare on paper, are severe, potentially fatal manifestations of child maltreatment, and recognizing them could save the youngest and most vulnerable patients.

Subject of Research: Hypothermia and local cold injuries as rare but severe manifestations of child abuse and neglect

Article Title: Hypothermia and cold injuries – rare but severe manifestations of child abuse and neglect

Article References: Küppers, L., Ritz, S., & König, L. M. (2026). Hypothermia and cold injuries – rare but severe manifestations of child abuse and neglect. International Journal of Legal Medicine. https://doi.org/10.1007/s00414-026-03977-w

Image Credits: AI Generated

DOI: 10.1007/s00414-026-03977-w

Keywords: child abuse, child neglect, hypothermia, frostbite, cold injury, cold exposure, forensic medicine, pediatrics, abusive head trauma, thermoregulation, child protection, legal medicine