Adrian Gerard Murphy, M.B. B.CH. B.A.O., M.B.B.Ch., Ph.D.
![]() https://www.hopkinsmedicine.org/profiles/results/directory/profile/10003334/adrian-murphy This was seen for brief erectile dysfunction causes prostate cancer buy discount cialis 5mg on-line, limited treatment models boyfriend erectile dysfunction young purchase cialis 10mg without prescription, and for treatment programs taking several months to complete erectile dysfunction pump how to use cheap cialis online. Notably erectile dysfunction drugs patents best 20 mg cialis, in the Cottraux study, there were more drop-outs from the Rogerian group due to worsening symptoms. The authors reported improvement in both study groups compared with a wait list group, but detected no differences in efficacy between them. Recently, researchers have attempted to dismantle treatments to examine their efficacious components. Both treatment groups demonstrated improved symptoms over the waitlist control group but did not differ between themselves. Bisson (2007) performed a systematic review of the randomized trials of all psychological treatments (Cochrane Collaboration Report). Imaginal exposure involves encouraging the patient to revisit the experience in imagination, and recalling the experience through verbally describing the physical and emotional details of the trauma. In vivo exposure involves asking the patient to physically confront realistically safe but still feared stimuli. In vivo exposure is typically arranged in a hierarchical order based on the perceived difficulty of confronting each stimulus. Several studies indicate that results are highly comparable between exposure therapy and other forms of trauma focused cognitive behavioral therapy. Several studies indicate that results are comparable between exposure with other forms of cognitive behavioral therapy. Treatment sessions for the written exposure only group consisted of two one-hour sessions to provide overview of treatment and education, followed by five two-hour sessions where the patient was asked to write for approximately 60 minutes alone about their worst traumatic event, followed by reading this to the therapist who provided supportive feedback without any of the cognitive restructuring techniques. This finding was replicated using very different methods in a study by van Emmerick, et al. These data strongly support the notion that a systematic writing narrative process with therapist involvement may be just as effective in alleviating symptoms as any of the more widely used cognitive therapy techniques. Increasingly, virtual (computer based) exposure techniques and strategies are being utilized to accomplish exposure therapy. However, to date, there are no randomized studies of virtual reality compared with either wait list or standard exposure techniques that confirm its efficacy. This treatment includes imaginal exposure combined with relaxation, writing assignments, use of mementos from the traumatic experience, exploration of meaning, a farewell ritual, and psychoeducation (Gersons, 2000; Lindauer, 2005). Providers should be aware of the possibility of increased distress as patients confront trauma memories and reminders. This treatment was originally developed for the management of anxiety symptoms and adapted for treating women rape trauma survivors. The rationale for this treatment is that trauma related anxiety can be generalized to many situations (Rothbaum et al. Rothbaum (2001) reports that the ?results suggested that all conditions produced improvement on all measures immediately post-treatment and at follow-up. A controlled study comparing three different forms of relaxation (relaxation, relaxation plus deep breathing, and relaxation plus deep breathing plus biofeedback) for 90 Vietnam veterans found that all treatments were equally effective in leading to improvement (Watson et al. In successive tracking episodes, the patient concentrates on whatever changes or new associations have occurred. Subsequent tracking episodes attempt to replace the negative cognitive self-statement with the alternate positive cognition. The number of sessions is dependent upon observed improvements and the number of traumatic events experienced. The patient reports following each set of eye movement episode to inform the therapist of the strength of both negative and positive cognitions; changes in cognitions, the images, emotions, or body sensations. Studies attempting to ascertain the relative contribution of the eye-movement component suggest that comparable outcomes are attained with or without eye movements. In aggregate, the data do not suggest that eye movements or other form of kinesthetic stimulation are necessary. However, it should be noted that only two of the cited studies had a full course of treatment all the others were short duration studies. Evidence shows that nightmares are associated with psychological distress and sleep impairment. A conditioning pattern similar to classic psychophysiological insomnia is produced in the nightmare-disturbed loop, along with the negative cognition of ?fear of going to sleep. While discussion of trauma imagery occurs, the model includes a de-emphasis of discussion of this content in group sessions. Further, reduction in nightmares was a significant predictor of improvement in sleep. Veterans reported significant reduction in nightmare frequency and intensity for the target nightmare. Follow-up data demonstrated maintenance of gains at 12 months following the conclusion of treatment (Forbes et al. Psychodynamic principles were later applied to the psychological problems of Holocaust survivors (Krystal, 1968; De Wind, 1984), Vietnam veterans (Lindy, 1996), rape survivors (Rose, 1991), adult survivors of childhood sexual trauma (Courtois, 1999; Roth & Batson, 1997; Shengold, 1989), and survivors of other traumatic events (Horowitz, 1997). Psychodynamic ideas have also helped providers manage the sometimes complex issues that may surface in the relationship between survivor and psychotherapist (Pearlman & Saakvitne, 1995; Wilson & Lindy, 1994). Psychodynamic psychotherapies operate on the assumption that addressing unconscious mental contents and conflicts (including those that may have been blocked from consciousness as part of a maladaptive response) can help survivors cope with the effects of psychological trauma. Psychological meanings of post-traumatic responses are explored by examination of the fears, fantasies, and defenses stirred up by the traumatic event. At present, it is unclear which elements of treatment are responsible for the improved outcomes. They found that symptoms of intrusion and avoidance improved significantly in each of the treatment groups but not in the control group; no differences across the three treatments were observed. While research evidence and clinical experience suggest that psychodynamic psychotherapy can be effectively combined with other forms of psychotherapy and with psychopharmacological interventions for depression (DiMascio et al. Psychodynamic ideas have, in some instances, been misapplied in clinical work with trauma survivors, giving rise to concern about the creation or elaboration of so called false memories (Roth & Friedman, 1997). It may be that trauma survivors are particularly prone to this phenomenon, given their tendency towards dissociation. It is important that clinicians be properly trained before undertaking psychodynamic treatment of trauma survivors. Clinical case studies suggest that psychodynamic psychotherapy may be of particular value in work with adult survivors of childhood sexual abuse (Courtois, 1999; Roth & Batson, 1997; Shengold, 1989). Education can help make symptoms more understandable and predictable, decrease fear of symptoms, increase awareness of coping options, and help survivors decide whether to seek treatment or learn how to better participate in treatment. While education about coping is not a substitute for more systematic coping skills training, simple information can also be useful. Positive coping includes actions that help to reduce anxiety, lessen other distressing reactions, and improve the situation: relaxation methods, exercise in moderation, talking to another person for support, positive distracting activities, and active participation in treatment. Negative coping methods may help to perpetuate problems and can include continual avoidance of thinking about the trauma, use of alcohol or drugs, social isolation, and aggressive or violent actions. Education has usually been a component of empirically supported treatments, but it has not been carefully evaluated as a ?stand-alone treatment (nor is it intended to be delivered in the absence of other treatment elements). Psychoeducation was one of several components in each study, and the effect of the psychoeducation component per se thus cannot be evaluated. Although each intervention contained a psychoeducational component, the focus and content of the group sessions differed across studies. They also distinguish group treatment approaches by their emphasis on reintegration of the traumatic experience as an integral change process. Trauma-focused groups assume integration of the traumatic memory and modify the meaning of the trauma for the individual, while present centered supportive approaches aim to decrease isolation and increase sense of competence. Most groups share common strategies designed to provide a sense of safety, trust, and develop cohesion among members. The three approaches do, however, differ in significant ways in terms of techniques and strategies used (See Table I-5). Foy and colleagues (2000) summarized factors identified in the literature as important considerations for group treatment in general, including: Stable living arrangement the value and necessity of these factors, however, have not been examined empirically. Trial participants in studies reviewed herein commonly lacked previous individual or group therapy experience. Contraindications for group therapy and exclusion criteria for trials of group treatment are usually similar and include active psychosis, cognitive deficits, and current suicidal or homicidal risk (Shea et al. Syndromes
Subtypes have been described: receptive or sensory amusia is loss of the ability to appreciate music; and expressive or motor amusia is loss of ability to sing erectile dysfunction medication online pharmacy buy line cialis, whistle erectile dysfunction young male buy cialis australia. Clearly a premorbid apprecia tion of music is a sine qua non for the diagnosis (particularly of the former) erectile dysfunction treatment with herbs order 20mg cialis with visa, and most reported cases of amusia have occurred in trained musicians erectile dysfunction treatment thailand generic cialis 10mg without a prescription. Others have estimated that amusia affects up to 4% of the population (presumably expressive; = ?tone deafness?). Amusia may occur in the context of more widespread cognitive dysfunc tion, such as aphasia and agnosia. It has been found in association with pure word deafness, presumably as part of a global auditory agnosia. Isolated amusia has been reported in the context of focal cerebral atrophy affecting the non dominant temporal lobe. An impairment of pitch processing with preserved awareness of musical rhythm changes has been described in amusics. Receptive amusia: evidence for cross-hemispheric neural networks underlying music processing strategies. Cross References Agnosia; Auditory agnosia; Pure word deafness 26 Analgesia A Amyotrophy Amyotrophy is a term used to describe thinning or wasting (atrophy) of muscu lature with attendant weakness. Hence, although the term implies neurogenic (as opposed to myogenic) muscle wasting, its use is non-speci? Cross References Atrophy; Fasciculation; Neuropathy; Plexopathy; Radiculopathy; Wasting Anaesthesia Anaesthesia (anesthesia) is a complete loss of sensation; hypoaesthesia (hypaes thesia, hypesthesia) is a diminution of sensation. Anaesthesia may involve all sensory modalities (global anaesthesia, as in general surgical anaesthesia) or be selec tive. Anaesthesia is most often encountered after resection or lysis of a peripheral nerve segment, whereas paraesthesia or dysaesthesia (positive sensory phenom ena) re? Anaesthesia dolorosa, or painful anaesthesia, is a persistent unpleas ant pain. This deafferentation pain may respond to various medications, including tricyclic antidepres sants, carbamazepine, gabapentin, pregabalin, and selective serotonin-reuptake inhibitors. Cross References Analgesia; Dysaesthesia; Neuropathy; Paraesthesia Analgesia Analgesia or hypoalgesia refers to a complete loss or diminution, respectively, of pain sensation, or the absence of a pain response to a normally painful stimu lus. These negative sensory phenomena may occur as one component of total sensory loss (anaesthesia) or in isolation. Congenital syndromes of insensitivity to pain were once regarded as a central pain asymbolia. This is most commonly seen as a feature of the bulbar palsy of motor neurone disease. A pure progressive anarthria or slowly progressive anarthria may result from focal degeneration affecting the frontal operculum bilaterally (so-called Foix?Chavany?Marie syndrome). Slowly progressive anarthria with late anterior opercular syndrome: a variant form of frontal cortical atrophy syndromes. The ?pure form of the phonetic disintegration syn drome (pure anarthria): anatomo-clinical report of a single case. Cross References Aphemia; Bulbar palsy; Dysarthria Angioscotoma Angioscotomata are shadow images of the super? Cross Reference Scotoma Angor Animi Angor animi is the sense of dying or the feeling of impending death. It may be experienced on awakening from sleep or as a somesthetic aura of migraine. Cross Reference Aura Anhidrosis Anhidrosis, or hypohidrosis, is a loss or lack of sweating. This may be due to pri mary autonomic failure or due to pathology within the posterior hypothalamus (?sympathetic area?). It -29 A Anisocoria is thought to represent a focal dystonia and may be helped temporarily by local injections of botulinum toxin. Cross References Dystonia; Parkinsonism Anisocoria Anisocoria is an inequality of pupil size. This may be physiological (said to occur in up to 15% of the population), in which case the inequality is usually mild and does not vary with degree of ambient illumination; or pathological, with many possible causes. Anisocoria greater in bright light/less in dim light suggests a defect in parasympathetic innervation to the pupil. Clinical characteristics and pharmacological testing may help to establish the underlying diagnosis in anisocoria. This may be detected as abrupt cut-offs in spontaneous speech with circumlocutions and/or parapha sic substitutions. Patients may be able to point to named objects despite being unable to name them, suggesting a problem in word retrieval but with preserved compre hension. Anomia occurs with pathologies affecting the left temporoparietal area, but since it occurs in all varieties of aphasia is of little precise localizing or diag nostic value. The term anomic aphasia is reserved for unusual cases in which a naming problem overshadows all other de? Cross References Aphasia; Circumlocution; Paraphasia Anosmia Anosmia is the inability to perceive smells due to damage to the olfactory path ways (olfactory neuroepithelium, olfactory nerves, rhinencephalon). Rhinological disease (allergic rhinitis, coryza) is by far the most com mon cause; this may also account for the impaired sense of smell in smokers. Head trauma is the most common neurological cause, due to shearing off of the olfactory? Recovery is possible in this situation due to the capacity for neuronal and axonal regeneration within the olfactory pathways. Cross References Age-related signs; Ageusia; Cacosmia; Dysgeusia; Mirror movements; Parosmia Anosodiaphoria Babinski (1914) used the term anosodiaphoria to describe a disorder of body schema in which patients verbally acknowledge a clinical problem. La belle indifference describes a similar lack of concern for acknowledged disabilities which are psychogenic. Contribution a l?etude des troubles mentaux dans l?hemiplegie organique cerebrale (anosognosie). Some authorities would question whether this unaware ness is a true agnosia or rather a defect of higher-level cognitive integration. Anosognosia with hemiplegia most commonly follows right hemisphere injury (parietal and temporal lobes) and may be associated with left hemine glect and left-sided hemianopia; it is also described with right thalamic and basal ganglia lesions. Many patients with posterior aphasia (Wernicke type) are unaware that their output is incomprehensible or jargon, possibly through a fail ure to monitor their own output. The neuropsychological mechanisms of anosognosia are unclear: the hypothesis that it might be accounted for by personal neglect (asomatognosia), which is also more frequently observed after right hemisphere lesions, would seem to have been disproved experimentally by studies using selective hemisphere anaesthesia in which the two may be dissociated, a dissociation which may also be observed clinically. Temporary resolution of anosognosia has been reported following vestibular stimulation. Anosognosia in patients with cerebrovascular lesions: a study of causative factors. Cross References Agnosia; Anosodiaphoria; Asomatognosia; Cortical blindness; Extinction; Jargon aphasia; Misoplegia; Neglect; Personi? The syndrome most usually results from bilateral posterior cerebral artery territory lesions causing occipital or occipitoparietal infarctions but has occasionally been described with anterior visual pathway lesions associated with frontal lobe lesions. The completion phenomenon: insight and attitude to the defect: and visual function ef? Cross References Agnosia, Anosognosia, Confabulation, Cortical blindness Anwesenheit A vivid sensation of the presence of somebody either somewhere in the room or behind the patient has been labelled as anwesenheit (German: presence), pres ence hallucination, minor hallucination, or extracampine hallucination. Hence, listlessness, paucity of spontaneous movement (akinesia) or speech (mutism), and lack of initiative, spontaneity, and drive may be features of apa thy these are also all features of the abulic state, and it has been suggested that apathy and abulia represent different points on a continuum of motivational and emotional de? Apathy may be observed in diseases affecting frontal?subcortical struc tures, for example, in the frontal lobe syndrome affecting the frontal convexity, or following multiple vascular insults to paramedian diencephalic structures (thalamus, subthalamus, posterior lateral hypothalamus, mesencephalon) or the posterior limb of the internal capsule; there may be associated cognitive impair ment of the so-called subcortical type in these situations. Apathy is also described following amphetamine or cocaine with drawal, in neuroleptic-induced akinesia and in psychotic depression. Selective serotonin-reuptake inhibitors may sometimes be helpful in the treatment of apathy. Cross References Abulia; Akinetic mutism; Dementia; Frontal lobe syndromes Aphasia Aphasia, or dysphasia, is an acquired loss or impairment of language func tion. Language is dis tinguished from speech (oral communication), disorders of which are termed dysarthria or anarthria. Conduction aphasia is marked by relatively normal spontaneous speech (perhaps with some paraphasic errors), but a profound de? In transcortical motor aphasia spontaneous output is impaired but repetition is intact. Transcortical: Broca Wernicke Conduction motor/sensory Fluency vv N N v/N Comprehension N vv N N v Repetition N/N Naming N? Order cialis 20mg line. The Penis Fracture. The diference relative to a water-only geometry set to cover the staple line plus a 2-cm margin and to deliver a showed variations depending on the balloon diameter (4 penile injections for erectile dysfunction side effects buy 10mg cialis fast delivery, 5 impotence workup purchase discount cialis, and prescription dose of 100 to 120 Gy at 0 icd 9 code for erectile dysfunction due to diabetes effective cialis 5mg. The seeds are placed 1 cm apart in a strand vious studies using a diferent geometry erectile dysfunction protocol food lists buy cialis 20 mg mastercard. Two of such strands 169 showed that the contrast has a larger efect on lower energy Yb are used and afxed 0. This was further illus comparing various confgurations from single to multidwell trated in a retrospective dose calculation study of a few clinical positions. However, it can reach Diferences over 30% are seen on key clinical parameters such as up to 9% at the prescription point, 1 cm from the surface of the D90. Further comparison on a greater cohort of signifcant diferences in the photon attenuation cross sections, patients is needed to confrm this. Furthermore, high-energy photons have a longer radiation path length in water (or tissues). More importantly, the changing of the posi region but can reduce the skin dose by at least 5%. On a patient tion of the shield relative to the target and organs at risk (in this by-patient basis, diferences could be even larger depending case, changes due to rotation) leads to signifcant modifcation of on the confguration. Point kernels and super new calculation methods have also been introduced, such as position methods for scatter dose calculations in brachy new requirements for characterization of the radiation sources, therapy. The collapsed cone super that can cause uncertainty in calculated doses, and alternative position algorithm applied to scatter dose calculations in dose-reporting quantities. Postimplant References dosimetry using a Monte Carlo dose calculation engine: A new clinical standard. Efects of of seed design on the interseed attenuation in permanent breast-air and breast-lung interfaces on the dose rate at prostate implants. Intraoperative culations for post-implant assessment of permanent breast 125I brachytherapy for high-risk stage I non-small cell lung 103Pd seed implant. Phys Med Biol 56(22): implementation of Monte Carlo-based photon and electron 7045?60. Two-dimensional discrete ordinates Model-Based Algorithms Doing Nonwater Heterogeneity Corrections 157 photon transport calculations for brachytherapy dosimetry Johnson, M. Dosimetric metric uncertainty analysis for photon-emitting brachy uncertainties in the practice of clinical brachytherapy. Dose to medium or integration method for brachytherapy dose calculations in dose to a water cavity embedded in medium? The diference of scoring dose to water or tissues in Terapy, McGill University, Montreal, Canada. Ann Tor Surg Dose to tissue medium or water cavities as surrogate for the 75:237?42. Spectroscopic charac presence of simple geometric heterogeneities: Comparison terization of a novel electronic brachytherapy system. Yb-169 erated Monte Carlo based dose calculations for brachy Calculated physical-properties of a new radiation source for therapy planning using correlated sampling. Tables of X-Ray Mass based dosimetric characterization of model 67-6520 Cs-137 Attenuation Coefcients and Mass Energy-Absorption brachytherapy source. Dosimetric impact of an seed implant as adjuvant radiation treatment for early-stage 192Ir brachytherapy source cable length modeled using a breast cancer. Comparison of dose-rate endorectal brachytherapy with shielded intracavi organ doses for patients undergoing balloon brachytherapy tary applicator. The American Brachytherapy Society recommen Treatment advances for medically inoperable non-small dations for brachytherapy of uveal melanomas. Development of prototype shielded cervical intra the source-to-source shielding efects. Dose to water versus dose to medium in pro solid phantoms: Comparison between calculations with the ton beam therapy. Medical Physics Publishing, Madison, accuracy of a deterministic radiation transport based 192Ir Wisconsin, pp. The evolution of Carlo and experimental verifcation of a multiple source brachytherapy treatment planning. Implantation brachytherapy treatment planning systems that use model guidelines for 169Yb seed interstitial treatments. Proceedings of the International Workshop calculations using primary and scatter dose separation. A Monte Carlo program for the calculation of con use in Monte Carlo treatment planning. Comparison Vicryl mesh brachytherapy afer sublobar resection for between sublobar resection and 125Iodine brachytherapy high-risk stage I nonsmall cell lung cancer. Brachytherapy afer sublobar resection in high-risk patients with stage I 4:278?85. Empirical formulation for culated dosimetry parameters for 192Ir and 169Yb sources. Semiempirical dose-calculation models in try for I and Pd eye plaque brachytherapy with various seed brachytherapy. Proceedings of the practice since 1950: A half-century of progress Phys Med International Workshop on Recent Advances in Monte Biol 51:R303?25. One-dimensional errors and range uncertainties via probabilistic treatment scatter-subtraction method for brachytherapy dose calcu planning. Permanent prostate seed Comparison of dose calculation algorithms for colorectal implant brachytherapy: Report of the American Association cancer brachytherapy treatment with a shielded applicator. Integral-transport-based deter implant dose distributions from photon-emitting sources ministic brachytherapy dose calculations. The problem is to determine the wished result and the inverse problem (inverse planning or opti position and number of sources (permanent implants) or source mization) is to determine the cause of this result. A trade-of between the objectives obtained by inverse optimization or inverse planning. The term exists as we have never had a situation in which all the objec inverse planning is used considering this as the opposite of the tives can, in a best possible way, be satisfed simultaneously. Ten, the optimization process diferent sets of weights until a satisfactory solution is obtained, to obtain an optimal dose distribution is called dose optimiza as the optimal weights are a priori unknown. Due to missing 3D anatomical information, this was 1 based on the assumption that the implanted catheter geometry Dr? The machine is pro If the target volume is characterized by a (sufcient) number of grammed to position the source at predefned positions?the so reference points (the so-called dose points), the dose distribu called dwell positions?in the applicators. The time the source tion can be optimized such that the prescribed reference dose spends at each dwell position?the so-called dwell time?can is obtained in these points (the so-called optimization on dose freely be chosen. Extra equations are added limiting the gradient of (or diference between) neighboring dwell times, 12. Furthermore, the number The dwell time in a dwell position is inversely proportional to of points will generally not be equal to the number of dwell posi the dose contribution of neighboring source positions. For these tions/times (an overdetermined or underdetermined math prob neighbors, one can take all other positions into account (Figure lem), which can result in either an infnite number of solutions 12. This situation is mathematically solved by other catheters than the one considered (Figure 12. However, these The volume mode is developed in order to suppress the cath solutions will not fulfll all requirements exactly but present the eter itself, as the contribution from the dwell positions in this best approximation to all objectives. The diferences at the modes in geometric optimization are very well illustrated by the edge of the catheter, that is, the coverage of the dose points by example shown in Figure 12. The corresponding dose along the catheter(s), the distance mode results in homoge relative dwell times at the edge of the catheter can be found in neous dose delivery. Shown are the 50%, 100% and 200% isodose lines in case of equal dwell times (a), geometric optimization (b) and dose point optimization (c). Relative Dwell Time (1997) also consider single-plane surface molds, and Kolkman Deurloo et al. Illustrating examples in intracavitary brachytherapy can be An ideal dose distribution D(r) with a specifc prescription dose found in the works of Niel et al. A slightly diferent applica distinction is made between global and local optimization (local tion of dose point optimization is its use in interstitial volume search). Optimal solutions are defned with respect to a given implants in the so-called stepping source dosimetry system neighborhood in the search space. The output is the objective value representing the evaluation/quality of the solution. Diseases
|