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You can't use plywood: The perilous success of spirituality and medicine.

The Canadian sociologist Arthur Frank has thought deeply about both health and illness, especially life-threatening illness, and, by extension, the lack of distinction that exists between a spiritualized medicine or a medicalized spirituality. Professor Frank is known internationally for his pioneering work on illness narratives and has made significant contributions to the emergent field of Narrative Medicine. He has integrated the gleanings of personal experience and professional research into a cohesive whole and made such available in 3 richly nuanced and significant works of narrative medicine: At the Will of the Body, The Wounded Storyteller, and The Renewal of Generosity. With a voice that is soulful and wry, humble and fierce, Franks work chronicles and reflects on a full spectrum of human-making experiences as they relate to terminal illness, hope, intimacy, confusion, listening, and responding. Whether our readers are caregivers, clinicians, or individuals preparing for the transition called Death, this is one author who asks tough questions and makes room for delicate, paradoxical, out-of-the-box responses. In doing so, he brings that which is intimately personal into a larger discourse that is social, political, and cultural. At the same time, he protects the inviolate intimacy granted to each individual on the threshold. Bravo!

Adaptation, Psychological↗

Assisted reproductive technology has been detrimental to academic reproductive endocrinology and infertility: depth of the problem and possible solutions.

Dr. Soules' editorial points out some, but not all, of the detrimental effects of assisted reproductive technology on the subspecialty of academic reproductive endocrinology and infertility. This response adds to the list of problems (i.e., discussing the loss of pure endocrinology) but points out an example of a creative solution (i.e., merging academic units with private practices).

Decision Making, Organizational↗

Perspectives on the future of geriatric medicine.

The following comments were presented to the 20th anniversary celebration of the geriatric medicine fellowship training program at the Baylor College of Medicine in the Texas Medical Center, Houston, Texas, on June 24, 2005. The author, who was the first graduate of the geriatric medicine training program at Baylor, proposes that geriatrics is at a critical juncture and that the voice and identity of geriatric medicine should be that of advocacy for our patients, and that in such a role geriatric medicine is well suited to become the "soul of medicine." She encourages all geriatricians to read the report of the Task Force on the Future of Geriatric Medicine and to look for opportunities to personally be involved in implementing the recommendations. She suggests that since our visions of the future are often only caricatures of our past, we must be creative and dream big dreams of what the future may hold. She challenges each of us to get involved in actively creating the future of geriatric medicine.

Forecasting↗

The rationale for sitting elderly patients in hospital out of bed for long periods is medically unsubstantiated and detrimental to their recovery.

The notorious statement by Asher about the dangers of bed rest [Brit Med J 1947; ii: 967-8] which continues to be quoted out of context in leading medical journals today is inapplicable to modern short stay elderly hospital patients and has little medical foundation. 'Blood clotting in the veins' is more likely to result from venous stasis during sitting than from lying down. 'Lime draining from the bones' refers to subjects' spending weeks, not hours, in the horizontal position and similar losses have been shown to occur in healthy people immobilised in chairs for long periods during the day. Constipation is common in sick old people and there is no evidence that 'scybala stacking up the colon' is more likely to occur in bed than in a chair. The 'flesh rotting from the seat', or pressure sores, occur as frequently or more frequently, in sick patients nursed in chairs as in bed. 'Urine leaking from the distended bladder' may be reduced in very debilitated old people sitting in chairs, but at the expense of impaired renal function associated with reduced perfusion in the upright posture and exacerbated incontinence due to a compensatory diuresis at night. The 'spirit evaporating from the soul' today is more likely to afflict old patients who are exhausted by prolonged chair nursing and orthostatic hypotension due to age or illness. Recent studies in intensive care patients have highlighted the hypotension due to vasodilatation which can occur in infection and trauma. There is no evidence that nosocomial pneumonia is reduced by sitting patients out of bed, and lack of sleep is likely to exacerbate infection and delay recovery. Preventing patients from lying down when they feel the need is a violation of their rights and has been shown to be probably as injurious as the Victorian practice of preventing healthy patients from getting up. Physiotherapy is obviously important but patients should be allowed to decide for themselves how long they spend in or out of bed.

Aged↗

Unilateral neglect: a theory of proprioceptive space of a stimulus as determined by the cerebellar component of motor efference copy (and is autism a special case of neglect).

Unilateral neglect is a devastating condition, which manifests as a loss of a person's spatial awareness opposite the damaged side of the brain. It challenges our conception of the seat of the soul and its explanation is at the heart of the mind-body problem. A heuristic definition of the dorsal stream of a modality is here based on the categorization of parietal networks by the cerebellar component of motor efference copy. Taking this premise, the proprioceptive space of a stimulus is established as a concept in this paper. It is proposed that unilateral neglect is typically a dysfunction of proprioceptive space of a stimulus associated with lesions of the dorsal stream. Furthermore, most experimental findings of unilateral visual neglect (and by extrapolation, other sensory modalities), can be explained by two developmental mechanisms by which the proprioceptive space of a stimulus is encoded in the parietal cortex. Its right and left hemisphere representation can be dissociated from the hemifield of presentation of perceptual information, such that the left hemifield can have a left hemisphere representation through callosal connections and likewise, the right hemifield can have a right hemifield representation. The processing of a sensory stimulus in either parietal hemisphere is dynamically determined as shown by experimental modulation of performance. A theory of historical precedence will provide a developmental background to the organization of proprioceptive space and will invoke separate models according to specified terms of engagement. A model based on the expansion and contraction of the proprioceptive space of a stimulus as a gradient across both hemispheres and modulated by concurrent proprioceptive state will be differentiated from a model that is non-graduating but competitive and lacks such modulation. In other words, the dorsal representation of a sensory stimulus in the former case is shared to a varying degree by the two parietal hemispheres, whereas in the latter case the representation of left and right aspects of the same object stimulus is strictly divided between the two hemispheres. A further hypothesis of a dorsoventral gradient of the peripheral and foveal components of proprioceptive space characterizing dorsal stream networks will predict the double dissociation revealed by experimental paradigms. It will explain why some patients show neglect only in foveal while others only in peripheral vision. The paper proposes to unify neglect, extinction and optic ataxia on the one hand, and spatial and object-based neglect on the other hand, under a singularly proficient paradigmatic structure. A binding model as described is a component theory that acknowledges how the involved pathways or transitional zones in a pathway may contribute to a differential clinical picture as one progresses from posterior to anterior parietal cortex. Finally, a brief discussion is given on how autistic subjects neglect spatial cues and the inability of a spatial cognitive transformation underlies the impairments postulated for 'a theory of mind'.

Autistic Disorder↗

Animal-specific positioning molds for registration of repeat imaging studies: comparative microPET imaging of F18-labeled fluoro-deoxyglucose and fluoro-misonidazole in rodent tumors.

INTRODUCTION: Comparative imaging of multiple radiotracers in the same animal can be invaluable in elucidating and validating their respective mechanisms of localization. Comparative imaging of PET tracers, particularly in small animals, is problematic, however: such tracers must be administered and imaged separately because simultaneously imaged positron emitters cannot be separated based on energy discrimination. OBJECTIVE: As part of our ongoing development of hypoxia imaging radiotracers, the intratumoral distributions of sequentially administered F18-fluoro-deoxyglucose (FDG) and the hypoxia tracer F18-fluoromisonidazole (FMiso) were compared in rats by registered microPET imaging with positioning of each animal in a custom-fabricated whole-body mold. METHODS: Nude rats with a hindlimb R3327-AT anaplastic rat prostate tumor xenograft and a hindlimb FaDu human squamous cell carcinoma (each up to 20 x 20 x 30 mm in size) were studied. Rapid-Foam (Soule Medical, Lutz, FL) was used to fabricate animal-specific molds for immobilization and reproducible positioning. Each rat was injected via the tail vein with approximately 33 MBq (900 microCi) of FDG and imaged in its mold at 1 h postinjection (pi) on the microPET. The next day, each rat was injected with approximately 22 MBq (600 microCi) of FMiso and positioned and imaged in its mold at approximately 2 h pi. Custom-manufactured germanium-68 rods (10 microCi each, 1 x 10 mm) were reproducibly positioned in the mold as fiduciary markers. RESULTS: The registered microPET images unambiguously demonstrated grossly similar though not identical distributions of FDG and FMiso in the tumors - a high-activity rim surrounding a lower-activity core. There were subtle but possibly significant differences in the intratumoral distributions of FDG and FMiso, however. These may not have been discerned without careful image registration. CONCLUSION: Animal-specific molds are inexpensive and straightforward to fabricate and use for registration (+/-1 to 2 mm) of sequential PET images and may aid image interpretation.

Animals↗

The history of psychological categories.

Psychological terms, such as 'mind', 'memory', 'emotion' and indeed 'psychology' itself, have a history. This history, I argue, supports the view that basic psychological categories refer to historical and social entities, and not to 'natural kinds'. The case is argued through a wide ranging review of the historiography of western psychology, first, in connection with the field's extreme modern diversity; second, in relation to the possible antecedents of the field in the early modern period; and lastly, through a brief introduction to usage of the words 'soul', 'mind', 'memory' and 'emotion'. The discussion situates the history of psychology within a large historical context, questions assumptions about the continuity of meaning, and draws out implications for the philosophical and social constitution of 'psychology' and 'the psychological' from the existing literature. The historical evidence, this paper concludes, does not support the conventional presumption that modern psychological terms describe 'natural kinds'.

Emotions↗

Governance in operating room nursing: nurses' knowledge of individual surgeons.

This paper explores governance and control in operating room nurses' clinical practice. Traditionally, operating room nurses have been portrayed as "handmaidens" to the surgeons, a position which implies that nurses' bodies and the knowledge they use in practice are sites of discursive control by others. This paper unsettles this understanding by showing how operating room nurses studied ethnographically in an Australian setting are both disciplined by and actively shape practice through knowing surgeons' technical requirements for surgery, through inscribing them in discourses of time, and through having deep knowledge of the surgeons' "soul". We argue that as a form of governance, nurses' knowledge of surgeons is a subjugated form of knowledge, located low down on a hierarchy of knowledges. Furthermore, as a form of governance that has previously been unarticulated in the literature, it transcends the traditional lines of authority and control in the nurse-doctor relationship. The data in this paper are drawn from an ethnographic study that explored a range of nurse-nurse and nurse-doctor communication practices in operating room nursing.

Anthropology, Cultural↗

Use of ultrasonohysterography for triage of perimenopausal patients with unexplained uterine bleeding.

OBJECTIVE: Concerns about pathologic anatomy in perimenopausal women with irregular vaginal bleeding have made invasive diagnostic procedures commonplace. This study evaluated the use of fluid instillation to enhance vaginal probe ultrasonographic examination of the endometrium in such patients. STUDY DESIGN: This was a prospective study of 21 women between 40 and 52 years old with irregular vaginal bleeding. On day 4 to 6 of the menstrual cycle a 5.3F Soules intrauterine insemination catheter (Cook ObGyn, Spencer, Ind.) was inserted, and under direct ultrasonographic examination sterile saline solution was slowly infused. If present, any polyp or submucous myoma was noted and the endometrial thickness surrounding the fluid was measured. Invasive endometrial sampling was then carried out. RESULTS: Of the 21 patients, 8 had obvious polypoid lesions and underwent triage for operative hysteroscopic removal. The pathology report confirmed benign polyps in all 8. Three patients had submucous myomas. Two had wire loop resectoscopic excision. The third, with a submucous myoma that extended to the serosal edge of the uterus, received expectant management. Nine patients had no obvious anatomic lesion and endometrial thickness of < or = 4 mm. Biopsy in all 9 of these patients revealed early proliferative endometrium. One patient had endometrial thickness of 8 mm; fractional curettage with hysterectomy revealed simple hyperplasia without atypia. CONCLUSIONS: Endometrial fluid instillation to enhance vaginal ultrasonography in perimenopausal women can reliably distinguish between patients with minimal tissue whose bleeding may be of anovulatory origin and best treated with hormonal therapy and those patients with significant amounts and type of tissue in need of formal curettage. Furthermore, polyps may be distinguished from submucous myomas, which allows appropriate preoperative triage for operative hysteroscopy when indicated and eliminates the need for diagnostic hysteroscopy.

Adult↗

Antioxidant properties of melatonin--an emerging mystery.

Over three centuries ago, the French philosopher René Descartes described the pineal gland as "the seat of the soul." However, it was not until the late 1950s that the chemical identity and biosynthesis of melatonin, the principal hormone secreted by the pineal body, were revealed. Melatonin, named from the Greek melanos, meaning black, and tonos, meaning color, is a biogenic amine with structural similarities to serotonin. The mechanisms mediating the synthesis of melatonin are transcriptionally regulated by the photoperiodic environment. Once synthesized, the neurohormone is a biologic modulator of mood, sleep, sexual behavior, reproductive alterations, immunologic function, and circadian rhythms. Moreover, melatonin exerts its regulatory roles through high-affinity, pertussis toxin-sensitive, G-protein (or guanine nucleotide binding protein) coupled receptors that reside primarily in the eye, kidney, gastrointestinal tract, blood vessels, and brain. Additional evidence also indicates a role for melatonin in aging and age-related diseases, probably related to its efficient free radical scavenger (or antioxidant) activity. The potential clinical benefit of melatonin as an antioxidant is remarkable, suggesting that it may be of use in the treatment of many pathophysiological disease states including various cancers, hypertension, pulmonary diseases, and a variety of neurodegenerative diseases such as Alzheimer's disease. This review summarizes the biosynthesis of melatonin and its many endocrine and physiological functions, including its therapeutic potential in human disease states. Emphasis is placed on the recent speculations indicating that this pineal hormone serves as an endogenous antioxidant agent with proficient free radical scavenging activity.

Antioxidants↗

Formation of the digestive system in zebrafish. II. Pancreas morphogenesis.

Recent studies have suggested that the zebrafish pancreas develops from a single pancreatic anlage, located on the dorsal aspect of the developing gut. However, using a transgenic zebrafish line that expresses GFP throughout the endoderm, we report that, in fact, two pancreatic anlagen join to form the pancreas. One anlage is located on the dorsal aspect of the developing gut and is present by 24 h postfertilization (hpf), the second anlage is located on the ventral aspect of the developing gut in a position anterior to the dorsal anlage and is present by 40 hpf. These two buds merge by 52 hpf to form the pancreas. Using heart and soul mutant embryos, in which the pancreatic anlagen most often do not fuse, we show that the posterior bud generates only endocrine tissue, while the anterior bud gives rise to the pancreatic duct and exocrine cells. Interestingly, at later stages, the anterior bud also gives rise to a small number of endocrine cells usually present near the pancreatic duct. Altogether, these studies show that in zebrafish, as in the other model systems analyzed to date, the pancreas arises from multiple buds. To analyze whether other features of pancreas development are conserved and investigate the influence of surrounding tissues on pancreas development, we examined the role of the vasculature in this process. Contrary to reports in other model systems, we find that, although vascular endothelium is in contact with the posterior bud throughout pancreas development, its absence in cloche mutant embryos does not appear to affect the early morphogenesis or differentiation of the pancreas.

Animals↗

My developing understanding of Roger Wolcott Sperry's philosophy.

Reviewed are some of the dramatic experimental results and penetrating analyses characterizing the career of Roger Sperry. These require that we seriously consider his opinions regarding matters not yet testable, especially regarding the brain/mind relationships. His opinions include first, that a worthwhile understanding of brain function requires a biological explanation of consciousness; second, that mental properties described by him as "overall pattern effects in brain dynamics" can govern neuronal traffic at the cellular level by virtue of "mental forces'; and third, that further development of this outlook can provide a scientific basis for moral values. Discussion here is restricted to the first two of these points, urging that most criticisms of them arise largely from semantic confusions inherited from our past. Particular emphasis is placed on distinguishing mind from soul, thus totally separating the brain-onto-mind mapping problem from the nexus problem inherited from Descartes. Taken here is a physicalist position regarding mind, together with agnosticism regarding the nonmaterial.

Central Nervous System↗

Survey results of transplant patients' attitudes on xenografting.

For centuries, many cultures have described mythical creatures with bodies that combined human and animal features, often the result of violating taboos. This study attempted to investigate the beliefs of transplant patients about xenografting. A survey was given to 100 patients ranging in age from 17 to 74 years old, with 65 men and 35 women, including 72 whites, 18 Hispanics, 5 African Americans, and 4 Asian Americans. The subjects included liver, heart, kidney, lung, and multi-organ transplant patients. The patients were not aware of plans for xenografting at the center under study. Eighty patients agreed with xenografting in an emergency situation. Ten subjects replied, "under no circumstances." Ninety percent believed animal research has advanced medical science. In descending order, the patients preferred human (96%), monkey (44%), mechanical (43%), pig (42%), or dog (34%) organs. Twenty-four patients thought a xenograft would change their appearance, personality, or eating or sexual habits. Twenty patients believed animals have souls. The patients also documented any ethical concerns about xenografting.

Adolescent↗

Anthroposophic perspectives in primary care.

Anthroposophically Extended Medicine (AEM) is a truly integrative healing system. AEM represents an expansion, not an alternative to conventional medicine. Its unique understanding of the interplay among physiological, soul and spiritual processes in healing and illness serves to bridge allopathy with naturopathy, homeopathy, functional/nutritional medicine and other healing systems.

Anthroposophy↗

Leonardo da Vinci's contributions to neuroscience.

Leonardo da Vinci (1452-1519) made far-reaching contributions to many areas of science, technology and art. Leonardo's pioneering research into the brain led him to discoveries in neuroanatomy (such as those of the frontal sinus and meningeal vessels) and neurophysiology (he was the first to pith a frog). His injection of hot wax into the brain of an ox provided a cast of the ventricles, and represents the first known use of a solidifying medium to define the shape and size of an internal body structure. Leonardo developed an original, mechanistic model of sensory physiology. He undertook his research with the broad goal of providing physical explanations of how the brain processes visual and other sensory input, and integrates that information via the soul.

History, 15th Century↗

Discovery of a putative heme-binding protein family (SOUL/HBP) by two-tissue suppression subtractive hybridization and database searches.

In the domestic chicken, Gallus gallus, the retina and pineal gland contain circadian clocks that are directly entrained by environmental light-dark cycles. To identify novel genes that are expressed in the retina and pineal gland, we performed two-tissue suppression subtractive hybridization (SSH). Two-tissue SSH is designed to identify genes expressed in common between two RNA samples while at the same time subtracting out abundant transcripts. Using this method, we identified a novel chicken gene, named ckSoul, that is strongly expressed in the retina and pineal gland. The protein product of ckSoul is similar to a novel heme-binding protein (p22 HBP) and to an uncharacterized mammalian gene in the expressed sequence tag (EST) database. The mouse transcript of this new gene is expressed in the retina and may represent the mammalian ortholog of ckSoul. Molecular analysis of the mammalian and chicken proteins suggests SOUL and HBP are members of a new family of heme-binding proteins.

3T3 Cells↗

[Trihalomethanes in the drinking water of Carabobo State, Venezuela].

OBJECTIVE: Disinfection of water with chlorine in water treatment plants leads to the formation of trihalomethanes (THMs). These compounds are associated with adverse health effects. The aim of this study was to analyze THM concentrations in the water provided for human consumption in the two main water treatment systems of Carabobo State: the Alejo Zuloaga plant and the Pao-Cachinche reservoir, which form the Central Regional System I (CRS I), and the Lucio Baldo Soules plant and the Pao-La Balsa reservoir, which form the Central Regional System II (CRS II). METHODS: We analyzed 144 water samples collected in 6 samplings carried out in 2000 and 2001. THM concentrations were determined by gas chromatography using the headspace technique. The concentrations of the following THMs were measured: chloroform (CHCl3), bromoform (CHBr3), chlorodibromomethane (CHBr2Cl) and bromodichloromethane (CHCl2Br). RESULTS: The concentration of total THMs was between 47.84 g/l and 94.23 g/l. CHCl3 was the most commonly formed compound representing 83% of all THMs in the CRS I and 82% in the CRS II. The concentrations of total THMs in the CRS I, specifically in the Baja and San Diego networks, were significantly higher (p < 0.05) than permissible levels set by the American Environmental Protection Agency (80 g/l) for the sum of all four THMs. CONCLUSIONS: The results show that in the area studied there is a risk of adverse health effects due to THMs in drinking water, especially in the Baja and San Diego networks.

Chlorine↗

High-frequency death certifiers in Taiwan: a sociocultural product.

Accurate death certification is essential to high-quality mortality statistics. Physicians who certify disproportionately large numbers of deaths can significantly affect the validity of the resultant mortality data. In Taiwan in 1994, 110 death certifiers issued more than 100 death certificates each; and nine of these high-frequency certifiers issued more than 500 death certificates. We explore the cultural, political, economic, historical, and social contexts of high-frequency death certification in Taiwan. Because of the traditional belief in Taiwan that one must die at home for the soul to be incorporated into the collective ancestral tablet of the household, many families bring their loved ones home from the hospital just before death. Hospital physicians cannot legally issue a death certificate in these cases because they did not witness the dying process. Although the government introduced an administrative certification system to handle these outside-hospital deaths, the great demands of this system have attracted many 'special exam' doctors (doctors with no formal medical degree) to adopt death certification as a full-time business. In this context, it is not surprising that 'routinization' of death certification (J. Health Soc. Behav. 32 (1991) 273) has led to low-quality reporting among these certifiers. We argue that attempts to improve the quality of mortality statistics should take into account the unique sociocultural contexts of different countries.

Attitude to Death↗