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At least 37 records · Page 2Linked to original sources
PubMed2004

Intermittent cervical traction and thoracic manipulation for management of mild cervical compressive myelopathy attributed to cervical herniated disc: a case series.

STUDY DESIGN: Case series. OBJECTIVE: To describe the management of 7 patients with grade 1 cervical compressive myelopathy attributed to herniated disc using intermittent cervical traction and manipulation of the thoracic spine. BACKGROUND: Intermittent cervical traction has been indicated for the treatment of patients with herniated disc and has been suggested to be helpful for patients with cervical compressive myelopathy. Manipulation of the thoracic spine has been utilized to safely improve active range of motion and decrease pain in patients with neck pain. METHODS AND MEASURES: Seven women with neck pain, 35 to 45 years of age, were identified as having signs and symptoms consistent with grade 1 cervical compressive myelopathy. Symptom duration ranged from less than 1 week to 52 weeks. All patients were treated with intermittent cervical traction and thoracic manipulation for a median of 9 sessions (range, 2-12 sessions) over a median of 56 days (range, 14-146 days). Numeric Pain Rating Scale and Functional Rating Index scores served as the primary outcome measures. RESULTS: The median decrease in pain scores was 5 (range, 2-8) from a baseline of 6 (range, 4-8), and median improvement in Functional Rating Index scores was 26% (range, 10%-50%) from a baseline of 44% (range, 35%-71%). Dizziness was eliminated in 3 out of 4 patients and chronic headache symptoms were improved in 3 out of 3 patients. There were no adverse events or outcomes. CONCLUSIONS: Intermittent cervical traction and manipulation of the thoracic spine seem useful for the reduction of pain scores and level of disability in patients with mild cervical compressive myelopathy attributed to herniated disc. A thorough neurological screening exam is recommended prior to mechanical treatment of the cervical spine.

Adult↗
PubMed2006

[Comparison percutaneous cervical disc nucleoplasty and cervical discectomy for the treatment of cervical disc herniation].

OBJECTIVE: To compare the therapeutic effect of percutaneous cervical disc nucleoplasty (PCN group) and percutaneous cervical discectomy (PCD group) for the treatment of cervical disc herniation. METHODS: A retrospective study was carried out from July of 2002 to December of 2004, and there were 80 cervical disc herniation cases who were operated by PCN (42 cases) or PCD (38 cases). The time of operation, clinical result and the stability of cervical spine after operation were evaluated and compared between 2 groups. RESULTS: All cases had been followed up from 6 months to 26 months, average (12 +/- 5) months on the PCN group and (12 +/- 4) months on the PCD group, and there was no significant difference on 2 groups (t = -0.06, P = 0.953). All cases had been successfully operated. There was significant difference in the operation time between 2 groups (t = -21.70, P = 0.000). There was significant difference in the pre- and post-operation scores of each group (PCN group: t = 14.05, P = 0.000; PCD group: t = -14.79, P = 0.000). There was no significant difference in 2 groups of the clinical outcomes (z = -0.377, P = 0.706, > 0.05). There was no instability of cervical spine cases in 2 groups after operation (P > 0.05), and the cervical spine stability was no significant difference in pre- and-operation in each group. CONCLUSIONS: PCN and PCD for the treatment of cervical disc herniation achieves good outcomes and no difference on the stability of cervical spine. PCN and PCD is a safe, minimally invasive, short time of operation, less traumatic operation and excellent clinical outcome.

Adult↗
PubMed2004

[Neural circuit of the cervical sympathetic nervous system with special reference to input and output of the cervical sympathetic ganglia: relationship between spinal cord and cervical sympathetic ganglia and that between cervical sympathetic ganglia and their target organs].

Using anterograde labeling technique with Phaseolus vulgaris leucoagglutinin (PHA-L), we demonstrated the arborization pattern of a single preganglionic axon in the superior cervical ganglion (SCG) and stellate ganglion (STG). These axons expanded in the longitudinal direction, but not for transverse direction. Segmental relationship was identified between the spinal cord and STG, as seen between spinal cord and sympathetic ganglia in the thoraco-lumbar region, but we did not find any segmental relationship between the spinal cord and SCG. Some sympathetic preganglionic neurons in the lateral horn of the thoracic cord, especially in the intermediolateral nucleus (IML) have nitric oxide synthase (NOS) activity. We demonstrated that SCG neurons, which were heavily innervated by these NOS-positive neurons, tended to innervate organs that have some secretory functional tissues. Finally, we showed that the size of neuronal somata does not correlate with the size of target organs, as has been reported in previous studies. We should consider that there are other factors determining the size of neuronal somata, such as the size of dendritic field or volumes of NGF secretory from target tissues.

Animals↗
PubMed2005

Gene expression profiles of primary HPV16- and HPV18-infected early stage cervical cancers and normal cervical epithelium: identification of novel candidate molecular markers for cervical cancer diagnosis and therapy.

With the goal of identifying genes with a differential pattern of expression between invasive cervical carcinomas (CVX) and normal cervical keratinocytes (NCK), we used oligonucleotide microarrays to interrogate the expression of 14,500 known genes in 11 primary HPV16 and HPV18-infected stage IB-IIA cervical cancers and four primary normal cervical keratinocyte cultures. Hierarchical cluster analysis of gene expression data identified 240 and 265 genes that exhibited greater than twofold up-regulation and down-regulation, respectively, in primary CVX when compared to NCK. Cyclin-dependent kinase inhibitor 2A (CDKN2A/p16), mesoderm-specific transcript, forkhead box M1, v-myb myeloblastosis viral oncogene homolog (avian)-like2 (v-Myb), minichromosome maintenance proteins 2, 4, and 5, cyclin B1, prostaglandin E synthase (PTGES), topoisomerase II alpha (TOP2A), ubiquitin-conjugating enzyme E2C, CD97 antigen, E2F transcription factor 1, and dUTP pyrophosphatase were among the most highly overexpressed genes in CVX when compared to NCK. Down-regulated genes in CVX included transforming growth factor beta 1, transforming growth factor alpha, CFLAR, serine proteinase inhibitors (SERPING1 and SERPINF1), cadherin 13, protease inhibitor 3, keratin 16, and tissue factor pathway inhibitor-2 (TFPI-2). Differential expression of some of these genes including CDKN2A/p16, v-Myb, PTGES, and TOP2A was validated by quantitative real-time PCR. Flow cytometry on primary CVX and NCK and immunohistochemical staining of formalin fixed paraffin-embedded tumor specimens from which primary CVX cultures were derived as well as from a separate set of invasive cervical cancers confirmed differential expression of the CDKN2A/p16 and PTGES markers on CVX versus NCK. These results identify several genes that are coordinately disregulated in cervical cancer, likely representing common signaling pathways triggered by HPV transformation. Moreover, these data obtained with highly purified primary tumor cultures highlight novel molecular features of human cervical cancer and provide a foundation for the development of new type-specific diagnostic and therapeutic strategies for this disease.

Biomarkers, Tumor↗
PubMed1998

The role of cytokines in cervical ripening: correlations between the concentrations of cytokines and hyaluronic acid in cervical mucus and the induction of hyaluronic acid production by inflammatory cytokines by human cervical fibroblasts.

OBJECTIVES: The purpose of our study was (1) to explain the relationship between levels of inflammatory cytokines and levels of hyaluronic acid in cervical mucus of pregnant women and (2) to investigate whether cytokines promote hyaluronic acid production by human cervical fibroblasts in vitro. STUDY DESIGN: The concentration of hyaluronic acid, interleukin-1beta, and interleukin-8 were measured in cervical mucus of pregnant women, and hyaluronic acid production by cytokine-treated (interleukin-1beta and interleukin-8) cultured fibroblasts was measured. RESULTS: Hyaluronic acid concentrations in the mucus of pregnant women with threatened premature labor were higher than in mucus of normal pregnant women (P < .05). Correlations were found between hyaluronic acid concentrations and interleukin-1beta (P = .018) and interleukin-8 (P = .003) concentrations in cervical mucus. Cytokines (especially interleukin-8) stimulated hyaluronic acid production by cultured cervical fibroblasts. CONCLUSION: Cytokines induce hyaluronic acid production by human cervical fibroblasts, which may promote cervical ripening.

Adult↗
PubMedDate not supplied

Use of cervical spine manipulation under anesthesia for management of cervical disk herniation, cervical radiculopathy, and associated cervicogenic headache syndrome.

OBJECTIVE: To demonstrate the benefits of cervical spine manipulation with the patient under anesthesia as an approach to treating a patient with chronic cervical disk herniation, associated cervical radiculopathy, and cervicogenic headache syndrome. CLINICAL FEATURES: The patient had neck pain with radiating paresthesia into the right upper extremity and incapacitating headaches and had no response to 6 months of conservative therapy. Treatment included spinal manipulative therapy, physical therapy, anti-inflammatory medication, and acupuncture. Magnetic resonance imaging, electromyography, and somatosensory evoked potential examination all revealed positive diagnostic findings. INTERVENTION AND OUTCOME: Treatment included 3 successive days of cervical spine manipulation with the patient under anesthesia. The patient had immediate relief after the first procedure. Her neck and arm pain were reported to be 50% better after the first trial, and her headaches were better by 80% after the third trial. Four months after the last procedure the patient reported a 95% improvement in her overall condition. CONCLUSION: Cervical spine manipulation with the patient under anesthesia has a place in the chiropractic arena. It is a useful tool for treating chronic discopathic disease complicated by cervical radiculopathy and cervicogenic headache syndrome. The beneficial results of this procedure are contingent on careful patient selection and proper training of qualified chiropractic physicians.

Accidents, Traffic↗
PubMed1996

Banked fibula and the locking anterior cervical plate in anterior cervical fusions following cervical discectomy.

Eighty-eight consecutive patients underwent anterior cervical discectomy (ACD) with banked fibula fusion and internal fixation using the locking cervical plate. Pathology included cervical spondylotic radiculopathy in 48, cervical spondylotic radiculomyelopathy in 30, cervical facet dislocations with associated disc herniations in six, and autologous iliac crest graft collapse pseudoarthrosis with recurrent symptoms in four patients. Operations were single-level banked fibula fusion with plating in 37, multilevel banked fibula fusion with plating in 45, and combined single-level ACD banked fibula fusion with plating and posterior fusion in six patients. The only perioperative complication was transient hoarseness. There were no transfusions, infections, neurological injuries, or deaths. The mean time in the hospital for the nontraumatic cases was 1.8 days. The mean follow up was 22 months (range 12-30 months). There has been no motion at the fused level on flexion/extension films, no kyphosis, no screw plate backout, and no banked fibula has suffered graft collapse. Following a high-speed motor vehicle accident 6 months after a multilevel fusion, one alcoholic man suffered a fractured plate with transient worsening of neck pain, and the plate has remained in place for an additional 11 months of follow-up care. Compared to 100 consecutive autologous iliac crest fusions performed by the same surgeon, there were significantly fewer graft-related complications (p < 0.001). There was a significantly greater chance of autologous iliac crest collapsing with the passage of time as compared to banked fibula. Time until return to work was shorter by 5 weeks for the plate/banked fibula group (p < 0.05). When fusion is considered following ACD, the combination of banked fibula and locking cervical plates is significantly superior to autologous iliac crest grafts.

Adult↗
PubMed1999

Differential expression of keratins 10, 17, and 19 in normal cervical epithelium, cervical intraepithelial neoplasia, and cervical carcinoma.

AIM: To examine the value of immunohistochemistry in defining a keratin profile to aid cervical histopathological diagnosis. METHODS: Immunohistochemical localisation of keratins 17, 10, and 19 was studied in 268 cervical biopsies from 216 women including normal epithelia (with and without human papilloma virus), low and high grade cervical intraepithelial neoplasia, and invasive carcinoma. The percentage of positive immunostaining was scored using a Kontron MOP videoplan image analyser. RESULTS: All major categories of cervical epithelia expressed these keratins to varying degrees. The median percentage of immunostaining for keratin 10 was 40% in normal tissue compared with just 1% in invasive carcinoma (p < 0.0001). The medians for keratin 17 were 0% in the normal group and 80% in carcinomas (p < 0.0001). By contrast, there was no significant difference in staining for keratin 19. Using a combination of the keratin 10 and 17 percentages, it was possible to separate the carcinomas from the benign conditions with a sensitivity of 100% and a specificity of 93%. Further analyses within the groups revealed more extensive staining for keratins 10 and 19 in reserve cell hyperplasia, immature squamous metaplasia, and congenital transformation zone. CONCLUSIONS: The morphological variety within the cervix is reflected, in part, by distinct keratin patterns. There are striking differences in the patterns of keratins 10 and 17 between infiltrating squamous carcinoma and normal cervical epithelia.

Biomarkers, Tumor↗
PubMed1978

The yale cervical orthosis: an evaluation of its effectiveness in restricting cervical motion in normal subjects and a comparison with other cervical orthoses.

The Yale cervical orthosis is a lightweight polyethylene foam Philadelphia collar with molded fiberglass extensions over the thorax. This orthosis was studied on 17 normal subjects in the extremes of the ranges of flexion, extension, rotation, and lateral bending using roentgenograms and axial photographs to assess how effectively it limited motion of the neck. Overall, it satisfactorily controlled cervical motion and was similar to the most effective rigid cervical orthoses. Flexion and extension ranges were compared at different segmental levels of the spine. The Yale orthosis was most successful in restricting flexion in the area of the middle and lower cervical spine and was acceptable in controlling extension range. The orthosis was least effective in controlling motion in the upper spine, particularly at the atlantoaxial articulation. The Yale orthosis is recommended for postsurgical protection of the middle and lower cervical spine and in select situations of spinal instability, but it is not recommended for control of odontoid fractures or atlantoaxial subluxation.

Adult↗
PubMed2003

Laminectomy and posterior cervical plating for multilevel cervical spondylotic myelopathy and ossification of the posterior longitudinal ligament: effects on cervical alignment, spinal cord compression, and neurological outcome.

OBJECTIVE: Multilevel anterior decompressive procedures for cervical spondylotic myelopathy or ossification of the posterior longitudinal ligament may be associated with a high incidence of neurological morbidity, construct failure, and pseudoarthrosis. We theorized that laminectomy and stabilization of the cervical spine with lateral mass plates would obviate the disadvantages of anterior decompression, prevent the development of kyphotic deformity frequently seen after uninstrumented laminectomy, decompress the spinal cord, and produce neurological results equal or superior to those achieved by multilevel anterior procedures. METHODS: We retrospectively reviewed the records of 38 patients who underwent laminectomy and lateral mass plating for cervical spondylotic myelopathy or ossification of the posterior longitudinal ligament between January 1994 and November 2001. Seventy-six percent of patients had spondylosis, 18% had ossification of the posterior longitudinal ligament, and 5% had both. Clinical presentation included upper extremity sensory complaints (89%), gait difficulty (70%), and hand use deterioration (67%). Spasticity was present in 83%, and weakness of one or more muscle groups was seen in 79%. Spinal cord signal abnormality on sagittal T2-weighted magnetic resonance imaging (MRI) was seen in 68%. Neurological evaluation was performed using a modification of the Japanese Orthopedic Association Scale for functional assessment of myelopathy, the Cooper Scale for separate evaluation of upper and lower extremity motor function, and a five-point scale for evaluation of strength in individual muscle groups. Lateral cervical spine x-rays were analyzed using a curvature index to determine maintenance of alignment. Each surgically decompressed level was graded on a four-point scale using axial MRI to assess the adequacy of decompression. Late follow-up was conducted by telephone interview. RESULTS: Laminectomy was performed at a mean 4.6 levels. Follow-up was obtained at a mean of 30.2 months after the procedure. The score on the modified Japanese Orthopedic Association scale improved in 97% of patients from a mean of 12.9 preoperatively to 15.58 postoperatively (P < 0.0001). In the upper extremities, function measured by the Cooper Scale improved from 1.8 to 0.7 (P < 0.0001), and in the lower extremities, function improved from 1.0 to 0.4 (P < 0.0002). There was a statistically significant improvement in strength in the triceps (P < 0.0001), iliopsoas (P < 0.0002), and hand intrinsic muscles (P < 0.0001). X-rays obtained at a mean of 5.9 months after surgery revealed no change in spinal alignment as measured by the curvature index. There was a decrease in the mean preoperative compression grade from 2.46 preoperatively to 0.16 postoperatively (P < 0.0001). There was no correlation between neurological outcome and the presence of spinal cord signal change on T2-weighted MRI scans, patient age, duration of symptoms, or preoperative medical comorbidity. CONCLUSION: Multilevel laminectomy and instrumentation with lateral mass plates is associated with minimal morbidity, provides excellent decompression of the spinal cord (as visualized on MRI), produces immediate stability of the cervical spine, prevents kyphotic deformity, and precludes further development of spondylosis at fused levels. Neurological outcome is equal or superior to multilevel anterior procedures and prevents spinal deformity associated with laminoplasty or noninstrumented laminectomy.

Adult↗
PubMed1993

Recruitment patterns in the cervical paraspinal muscles during cervical forward flexion: evidence of cervical flexion-relaxation.

The phenomenon of lumbar paraspinal flexion-relaxation has been well established and its clinical significance to low back pain has been demonstrated. Conversely, cervical paraspinal flexion-relaxation has not been consistently observed. This may be attributable to the inappropriate use of trunk flexion motion used to observe the phenomenon in previous studies. This investigation reports on the observance of cervical flexion-relaxation when flexion is limited to the cervical spine. Results demonstrate the observance of cervical flexion-relaxation in ten of ten asymptomatic subjects when flexion is limited to the cervical region in the seated orthograde position.

Adult↗
PubMedDate not supplied

Human papillomavirus genotype prevalence in cervical biopsies from women diagnosed with cervical intraepithelial neoplasia or cervical cancer in Melbourne, Australia.

Multicenter international phase III clinical trials using multivalent human papillomavirus (HPV) vaccines for cervical cancer (CC) prevention are underway. As HPV immunity is type specific, defining HPV genotype prevalence in different regions to ascertain whether predominant types differ geographically is considerably important prior to vaccine implementation. This study aimed to define HPV genotypes present in CC and high-grade dysplasia among women in Melbourne, Australia. HPV genotype analysis of a cross section of women in Melbourne with cervical dysplasia/cancer was performed. A total of 493 cervical biopsies from patients being treated for moderate (n= 122) or severe (n= 180) cervical intraepithelial neoplasia (CIN II/III) or CC (n= 191) were tested for HPV genotypes using the PGMY09/11 primer system and line blot assay. HPV detection rates were 63.9%, 72.8%, and 86.9% in CIN II, CIN III, and CC biopsies, respectively. The most prevalent HPV genotypes among CC biopsies were HPV-16 (52.9%), HPV-18 (18.3%), HPV-45 (6.3%), HPV-39 (3.1%), and HPV-73 (2.6%). Multiple HPV infections, comprising two to five types, were identified in 14.4% of biopsies, being significantly fewer (5.2%) among CC biopsies (P < 0.0001). These results indicate that the two most prevalent CC-associated HPV genotypes in Australia parallel those described internationally, with type variations thereafter.

Adult↗
PubMed2005

Limitations of the cervical porcine spine in evaluating spinal implants in comparison with human cervical spinal segments: a biomechanical in vitro comparison of porcine and human cervical spine specimens with different instrumentation techniques.

STUDY DESIGN: Porcine and human cervical spine specimens were in vitro biomechanically compared with different instrumentation techniques. OBJECTIVES: To evaluate whether subaxial porcine cervical spines are a valid model for implant testing in a single level corpectomy. SUMMARY OF BACKGROUND DATA: Biomechanical in vitro tests are widely used for implant tests, mainly with human spine specimens. The availability of human cadavers is limited and the properties of the specimen regarding age, bone mineral density, and grade of degenerative changes is inhomogeneous. METHODS: Six porcine and six human cervical specimens were loaded nondestructively with pure moments: 1) in an intact state; 2) after a corpectomy of C5 and substitution by a cage with integrated force sensor; 3) after additional instrumentation with a posterior screw and rod system with: a) lateral mass and b) pedicle screws; 4) after instrumentation with an anterior plate; and 5) with a circumferential instrumentation. The unconstrained motion and the axial loads occurring in the corpectomy gap were measured, as well as the bone mineral density of the specimen before testing. RESULTS: The range of motion in the intact state, as well as for the different instrumentations, was comparable for flexion-extension. In lateral bending and axial rotation, marked differences in the intact state as well as for pedicle screw instrumentations occurred. CONCLUSIONS: The subaxial porcine cervical spine is a potential model in flexion-extension because of its biomechanical similarity. For lateral bending and axial rotation, the marked differences severly restrict the comparability.

Aged↗
PubMedDate not supplied

Biomechanical analysis of cervical orthoses in flexion and extension: a comparison of cervical collars and cervical thoracic orthoses.

The analysis of current cervical collars (Aspen and Miami J collars) and cervical thoracic orthoses (CTOs) (Aspen 2-post and Aspen 4-post CTOs) in reducing cervical intervertebral and gross range of motion in flexion and extension was performed using 20 normal volunteer subjects. The gross sagittal motion of the head was measured relative to the horizon with the use of an optoelectronic motion measurement system. Simultaneous measurement of cervical intervertebral motion was performed with the use of a video fluoroscopy (VF) machine. Intervertebral motion was described as (1) the angular motion of each vertebra and (2) the translational motion of the vertebral centroid. We used surface electromyographic (EMG) signal data to compare subject efforts between the two collars and between the two CTOs. Each orthosis significantly reduced gross and intervertebral motion in flexion and extension (p < 0.05). No statistically significant differences were found between the Miami J and Aspen collars in reducing gross or intervertebral sagittal motion, except at C5-6. Both CTOs provided significantly more restriction of gross and intervertebral flexion and extension motion as compared to the two collars (p < 0.05). The Aspen 2-post CTO and 4-post CTO performed similarly in flexion, but the Aspen 4-post CTO provided significantly more restriction of extension motion (p < 0.05).

Adult↗
PubMed1999

Axial symptoms and cervical alignments after cervical anterior spinal fusion for patients with cervical myelopathy.

This retrospective clinical study was designed to examine the relation between cervical alignment and axial symptoms developing after cervical anterior spinal fusion. Sixty patients with myelopathy treated with cervical anterior spinal fusion were reviewed. For radiographic evaluation, lordosis, enlargement of the fused segments and neural foramen, radiographic union, and degeneration of adjacent segment were reviewed before or after surgery or both. Twenty-three patients had axial symptoms. Only local kyphosis and narrowing of the neural foramen at the fused segment were recognized more often in patients with axial symptoms than in those without such symptoms. No less than 2 mm and < or = 5 mm in enlargement of the anterior disc space immediately after surgery resulted in maintenance of cervical lordosis. These findings suggest that > or = 2 mm and < or = 5 mm in enlargement of anterior vertebral body height during operation results in prevention of axial symptoms.

Adult↗
PubMed1992

[New surgical technique for anterior cervical fusion; surgical technique for anterior cervical fusion utilizing autogenous bone graft from the cervical vertebrae].

Since April, 1990, the authors have been reporting a surgical technique for anterior cervical fusion utilizing autogenous bone graft from the cervical vertebrae. This series included 53 patients (40 males and 13 females). The age ranged from 24 to 72 years with a mean of 49 years. There were 42 cases of cervical disc disease, and 11 cases of cervical disc disease with ossification of the posterior longitudinal ligament (OPLL). The patient was out of bed within two days and treated in a soft collar for 3 months. In all patients, the symptoms improved postoperatively. Postoperative X-ray showed slight anterior angulation deformity in 3 out of 53 cases (6%). The advantages of our surgical technique are as follows: 1) There are no problems related to the iliac donor site 2) The removal of posterior spur and localized OPLL is safely and easily performed.

Adult↗
PubMedDate not supplied

[Pain reduction after cervical spine surgery. Outcome after implantation of a cervical wing cage in degenerative diseases of the cervical spine--a prospective study].

AIM: Surgery in cervical spine disease using titanium cages is a common procedure to reduce the pain and neurological deficits. This study was aimed to evaluate the results in pain reduction using the wing cage intraoperatively. METHOD: In this prospective study demographic data were noted, whereas special emphasis was placed on pain, which was noted using a visual pain scale and the prolo score, neurological deficits and the causing pathology. Furthermore, questions about the use of analgesics and the duration of pain were asked. After operation with insertion of a wing cage instead of the disk, a neurological investigation 6, 12 and 24 months later was done to evaluate the postoperative status. RESULTS: 54 patients underwent a cervical discectomy in 64 segments as therapy for neck pain or a radiculopathy caused by osteochondrosis or disc disorder. Patients with brachialgia profited most from the operation. Less improvement was seen in cases of osteochondrosis or combined pathology. CONCLUSION: Patients with pain caused by discs in the cervical spine, have better improvement than patients with other pathologies. This should be taken into account when choosing the mode of therapy.

Adult↗